Evaluator Report

Arun Murari — 2423360

File: /Volumes/MacSSD/Trash/In class Practice Exam/ArunM(2423360).ipynb

Total: 8/24 (33.33%)

Question: check_number

**Return:** A string like `'5 is Positive'`, `'-2 is Negative'`, or `'0 is Zero'`

Assertion	Status	Score
assert check_number(5) == "5 is Positive"	passed	1
assert check_number(-2) == "-2 is Negative"	passed	1
assert check_number(0) == "0 is Zero"	passed	1

Question: sum_1_to_n

**Example:** Input `5` → `15` **Return:** Integer sum of all numbers from 1 to n.

Assertion	Status	Score	Error
assert sum_1_to_n(5) == 15	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> NameError: name 'sum_1_to_n' is not defined. Did you mean: 'sum_to_n'?
assert sum_1_to_n(10) == 55	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> NameError: name 'sum_1_to_n' is not defined. Did you mean: 'sum_to_n'?

Question: count_letter

**Example:** Input `('banana', 'a')` → `3` **Return:** The count of that letter in the word.

Assertion	Status	Score	Error
assert count_letter("banana", "a") == 3	passed	1
assert count_letter("apple", "p") == 2	passed	1

Question: even_numbers_1_to_10

**Return:** `[2, 4, 6, 8, 10]`

Assertion	Status	Score	Error
assert even_numbers_1_to_10() == [2, 4, 6, 8, 10]	passed	1

Question: average_of_three

**Example:** Input `(4, 8, 10)` → `7.3333...` **Return:** Arithmetic mean of the three numbers.

Assertion	Status	Score	Error
assert round(average_of_three(4, 8, 10), 2) == 7.33	passed	1
assert average_of_three(3, 3, 3) == 3	passed	1

Question: load_head

**Hint:** Use `pd.read_csv(dataset_path)` **Return:** The first 5 rows as a DataFrame.

Assertion	Status	Score	Error
[context setup]	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 39, in run_assertions exec(context_code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 6, in <module> NameError: name 'load_head' is not defined

Question: dataset_shape

**Return:** A tuple like `(rows, columns)`

Assertion	Status	Error
assert isinstance(result, tuple)	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert len(result) == 2	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: object of type 'NoneType' has no len()
assert result[0] > 0	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: 'NoneType' object is not subscriptable
assert result[1] == 7	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: 'NoneType' object is not subscriptable
assert result == (592, 7)	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError

Question: column_names

**Return:** A list of column names.

Assertion	Status	Error
assert isinstance(result, list)	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert result == ['Name', 'Team', 'Position', 'Height', 'Weight', 'College', 'Salary']	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert len(result) == 7	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: object of type 'NoneType' has no len()

Question: average_of_column

**Example:** If column name is `'Sales'`, return the mean of that column. **Hint:** Use `df[column_name].mean()`

Assertion	Status	Error
assert isinstance(salary_avg, (float, int))	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert round(salary_avg, 2) == 9218978.29	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: type NoneType doesn't define __round__ method
assert isinstance(weight_avg, (float, int))	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert round(weight_avg, 2) == 214.76	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: type NoneType doesn't define __round__ method

Question: filter_by_value

**Example:** `filter_by_value(dataset_path, 'Region', 'East')` **Return:** Filtered DataFrame

Assertion	Status	Score	Error
[context setup]	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 39, in run_assertions exec(context_code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 7, in <module> TypeError: object of type 'NoneType' has no len()

Class Test — N/A

File: /Volumes/MacSSD/Trash/In class Practice Exam/Class Test.ipynb

Total: 33/33 (100.0%)

Question: check_number

**Return:** A string like `'5 is Positive'`, `'-2 is Negative'`, or `'0 is Zero'`

Assertion	Status	Score
assert check_number(5) == "5 is Positive"	passed	1
assert check_number(-2) == "-2 is Negative"	passed	1
assert check_number(0) == "0 is Zero"	passed	1

Question: sum_1_to_n

**Example:** Input `5` → `15` **Return:** Integer sum of all numbers from 1 to n.

Assertion	Status	Score	Error
assert sum_1_to_n(5) == 15	passed	1
assert sum_1_to_n(10) == 55	passed	1

Question: count_letter

**Example:** Input `('banana', 'a')` → `3` **Return:** The count of that letter in the word.

Assertion	Status	Score	Error
assert count_letter("banana", "a") == 3	passed	1
assert count_letter("apple", "p") == 2	passed	1

Question: even_numbers_1_to_10

**Return:** `[2, 4, 6, 8, 10]`

Assertion	Status	Score	Error
assert even_numbers_1_to_10() == [2, 4, 6, 8, 10]	passed	1

Question: average_of_three

**Example:** Input `(4, 8, 10)` → `7.3333...` **Return:** Arithmetic mean of the three numbers.

Assertion	Status	Score	Error
assert round(average_of_three(4, 8, 10), 2) == 7.33	passed	1
assert average_of_three(3, 3, 3) == 3	passed	1

Question: load_head

**Hint:** Use `pd.read_csv(dataset_path)` **Return:** The first 5 rows as a DataFrame.

Assertion	Status	Score
assert isinstance(result, pd.DataFrame)	passed	1
assert len(result) == 5	passed	1
assert list(result.columns) == ['Name', 'Team', 'Position', 'Height', 'Weight', 'College', 'Salary']	passed	1
assert list(result.index) == [0, 1, 2, 3, 4]	passed	1

Question: dataset_shape

**Return:** A tuple like `(rows, columns)`

Assertion	Status	Score
assert isinstance(result, tuple)	passed	1
assert len(result) == 2	passed	1
assert result[0] > 0	passed	1
assert result[1] == 7	passed	1
assert result == (592, 7)	passed	1

Question: column_names

**Return:** A list of column names.

Assertion	Status	Score
assert isinstance(result, list)	passed	1
assert result == ['Name', 'Team', 'Position', 'Height', 'Weight', 'College', 'Salary']	passed	1
assert len(result) == 7	passed	1

Question: average_of_column

**Example:** If column name is `'Sales'`, return the mean of that column. **Hint:** Use `df[column_name].mean()`

Assertion	Status	Score
assert isinstance(salary_avg, (float, int))	passed	1
assert round(salary_avg, 2) == 9218978.29	passed	1
assert isinstance(weight_avg, (float, int))	passed	1
assert round(weight_avg, 2) == 214.76	passed	1

Question: filter_by_value

**Example:** `filter_by_value(dataset_path, 'Region', 'East')` **Return:** Filtered DataFrame

Assertion	Status	Score
assert isinstance(guards, pd.DataFrame)	passed	1
assert len(guards) > 0	passed	1
assert all(guards['Position'] == 'G')	passed	1
assert list(guards.columns) == ['Name', 'Team', 'Position', 'Height', 'Weight', 'College', 'Salary']	passed	1
assert isinstance(team_result, pd.DataFrame)	passed	1
assert len(team_result) > 0	passed	1
assert all(team_result['Team'] == 'Boston Celtics')	passed	1

Harsh Mittal — 2423373

File: /Volumes/MacSSD/Trash/In class Practice Exam/Harsh Mittal.ipynb

Total: 4/27 (14.81%)

Question: check_number

**Return:** A string like `'5 is Positive'`, `'-2 is Negative'`, or `'0 is Zero'`

Assertion	Status	Error
assert check_number(5) == "5 is Positive"	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert check_number(-2) == "-2 is Negative"	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert check_number(0) == "0 is Zero"	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError

Question: sum_1_to_n

**Example:** Input `5` → `15` **Return:** Integer sum of all numbers from 1 to n.

Assertion	Status	Score	Error
assert sum_1_to_n(5) == 15	passed	1
assert sum_1_to_n(10) == 55	passed	1

Question: count_letter

**Example:** Input `('banana', 'a')` → `3` **Return:** The count of that letter in the word.

Assertion	Status	Score	Error
assert count_letter("banana", "a") == 3	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert count_letter("apple", "p") == 2	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError

Question: even_numbers_1_to_10

**Return:** `[2, 4, 6, 8, 10]`

Assertion	Status	Score	Error
assert even_numbers_1_to_10() == [2, 4, 6, 8, 10]	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> File "<string>", line 2, in even_numbers_1_to_10 NameError: name 's' is not defined

Question: average_of_three

**Example:** Input `(4, 8, 10)` → `7.3333...` **Return:** Arithmetic mean of the three numbers.

Assertion	Status	Score	Error
assert round(average_of_three(4, 8, 10), 2) == 7.33	passed	1
assert average_of_three(3, 3, 3) == 3	passed	1

Question: load_head

**Hint:** Use `pd.read_csv(dataset_path)` **Return:** The first 5 rows as a DataFrame.

Assertion	Status	Error
assert isinstance(result, pd.DataFrame)	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert len(result) == 5	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: object of type 'NoneType' has no len()
assert list(result.columns) == ['Name', 'Team', 'Position', 'Height', 'Weight', 'College', 'Salary']	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AttributeError: 'NoneType' object has no attribute 'columns'
assert list(result.index) == [0, 1, 2, 3, 4]	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AttributeError: 'NoneType' object has no attribute 'index'

Question: dataset_shape

**Return:** A tuple like `(rows, columns)`

Assertion	Status	Error
assert isinstance(result, tuple)	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert len(result) == 2	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: object of type 'NoneType' has no len()
assert result[0] > 0	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: 'NoneType' object is not subscriptable
assert result[1] == 7	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: 'NoneType' object is not subscriptable
assert result == (592, 7)	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError

Question: column_names

**Return:** A list of column names.

Assertion	Status	Error
assert isinstance(result, list)	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert result == ['Name', 'Team', 'Position', 'Height', 'Weight', 'College', 'Salary']	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert len(result) == 7	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: object of type 'NoneType' has no len()

Question: average_of_column

**Example:** If column name is `'Sales'`, return the mean of that column. **Hint:** Use `df[column_name].mean()`

Assertion	Status	Error
assert isinstance(salary_avg, (float, int))	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert round(salary_avg, 2) == 9218978.29	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: type NoneType doesn't define __round__ method
assert isinstance(weight_avg, (float, int))	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert round(weight_avg, 2) == 214.76	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: type NoneType doesn't define __round__ method

Question: filter_by_value

**Example:** `filter_by_value(dataset_path, 'Region', 'East')` **Return:** Filtered DataFrame

Assertion	Status	Score	Error
[context setup]	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 39, in run_assertions exec(context_code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 7, in <module> TypeError: object of type 'NoneType' has no len()

Vikram — 2423359

File: /Volumes/MacSSD/Trash/In class Practice Exam/Vikram Notebook (1).ipynb

Total: 0/27 (0.0%)

Question: check_number

**Return:** A string like `'5 is Positive'`, `'-2 is Negative'`, or `'0 is Zero'`

Assertion	Status	Error
assert check_number(5) == "5 is Positive"	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> NameError: name 'check_number' is not defined
assert check_number(-2) == "-2 is Negative"	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> NameError: name 'check_number' is not defined
assert check_number(0) == "0 is Zero"	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> NameError: name 'check_number' is not defined

Question: sum_1_to_n

**Example:** Input `5` → `15` **Return:** Integer sum of all numbers from 1 to n.

Assertion	Status	Score	Error
assert sum_1_to_n(5) == 15	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> NameError: name 'sum_1_to_n' is not defined
assert sum_1_to_n(10) == 55	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> NameError: name 'sum_1_to_n' is not defined

Question: count_letter

**Example:** Input `('banana', 'a')` → `3` **Return:** The count of that letter in the word.

Assertion	Status	Score	Error
assert count_letter("banana", "a") == 3	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> NameError: name 'count_letter' is not defined
assert count_letter("apple", "p") == 2	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> NameError: name 'count_letter' is not defined

Question: even_numbers_1_to_10

**Return:** `[2, 4, 6, 8, 10]`

Assertion	Status	Score	Error
assert even_numbers_1_to_10() == [2, 4, 6, 8, 10]	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> NameError: name 'even_numbers_1_to_10' is not defined

Question: average_of_three

**Example:** Input `(4, 8, 10)` → `7.3333...` **Return:** Arithmetic mean of the three numbers.

Assertion	Status	Score	Error
assert round(average_of_three(4, 8, 10), 2) == 7.33	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> NameError: name 'average_of_three' is not defined. Did you mean: 'average_of_column'?
assert average_of_three(3, 3, 3) == 3	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> NameError: name 'average_of_three' is not defined. Did you mean: 'average_of_column'?

Question: load_head

**Hint:** Use `pd.read_csv(dataset_path)` **Return:** The first 5 rows as a DataFrame.

Assertion	Status	Error
assert isinstance(result, pd.DataFrame)	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert len(result) == 5	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: object of type 'NoneType' has no len()
assert list(result.columns) == ['Name', 'Team', 'Position', 'Height', 'Weight', 'College', 'Salary']	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AttributeError: 'NoneType' object has no attribute 'columns'
assert list(result.index) == [0, 1, 2, 3, 4]	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AttributeError: 'NoneType' object has no attribute 'index'

Question: dataset_shape

**Return:** A tuple like `(rows, columns)`

Assertion	Status	Error
assert isinstance(result, tuple)	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert len(result) == 2	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: object of type 'NoneType' has no len()
assert result[0] > 0	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: 'NoneType' object is not subscriptable
assert result[1] == 7	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: 'NoneType' object is not subscriptable
assert result == (592, 7)	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError

Question: column_names

**Return:** A list of column names.

Assertion	Status	Error
assert isinstance(result, list)	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert result == ['Name', 'Team', 'Position', 'Height', 'Weight', 'College', 'Salary']	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert len(result) == 7	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: object of type 'NoneType' has no len()

Question: average_of_column

**Example:** If column name is `'Sales'`, return the mean of that column. **Hint:** Use `df[column_name].mean()`

Assertion	Status	Error
assert isinstance(salary_avg, (float, int))	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert round(salary_avg, 2) == 9218978.29	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: type NoneType doesn't define __round__ method
assert isinstance(weight_avg, (float, int))	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert round(weight_avg, 2) == 214.76	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: type NoneType doesn't define __round__ method

Question: filter_by_value

**Example:** `filter_by_value(dataset_path, 'Region', 'East')` **Return:** Filtered DataFrame

Assertion	Status	Score	Error
[context setup]	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 39, in run_assertions exec(context_code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 7, in <module> TypeError: object of type 'NoneType' has no len()

student name — student roll number

File: /Volumes/MacSSD/Trash/In class Practice Exam/notebooks_student_notebook.ipynb

Total: 0/27 (0.0%)

Question: check_number

**Return:** A string like `'5 is Positive'`, `'-2 is Negative'`, or `'0 is Zero'`

Assertion	Status	Error
assert check_number(5) == "5 is Positive"	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert check_number(-2) == "-2 is Negative"	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert check_number(0) == "0 is Zero"	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError

Question: sum_1_to_n

**Example:** Input `5` → `15` **Return:** Integer sum of all numbers from 1 to n.

Assertion	Status	Score	Error
assert sum_1_to_n(5) == 15	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert sum_1_to_n(10) == 55	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError

Question: count_letter

**Example:** Input `('banana', 'a')` → `3` **Return:** The count of that letter in the word.

Assertion	Status	Score	Error
assert count_letter("banana", "a") == 3	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert count_letter("apple", "p") == 2	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError

Question: even_numbers_1_to_10

**Return:** `[2, 4, 6, 8, 10]`

Assertion	Status	Score	Error
assert even_numbers_1_to_10() == [2, 4, 6, 8, 10]	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError

Question: average_of_three

**Example:** Input `(4, 8, 10)` → `7.3333...` **Return:** Arithmetic mean of the three numbers.

Assertion	Status	Score	Error
assert round(average_of_three(4, 8, 10), 2) == 7.33	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: type NoneType doesn't define __round__ method
assert average_of_three(3, 3, 3) == 3	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError

Question: load_head

**Hint:** Use `pd.read_csv(dataset_path)` **Return:** The first 5 rows as a DataFrame.

Assertion	Status	Error
assert isinstance(result, pd.DataFrame)	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert len(result) == 5	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: object of type 'NoneType' has no len()
assert list(result.columns) == ['Name', 'Team', 'Position', 'Height', 'Weight', 'College', 'Salary']	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AttributeError: 'NoneType' object has no attribute 'columns'
assert list(result.index) == [0, 1, 2, 3, 4]	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AttributeError: 'NoneType' object has no attribute 'index'

Question: dataset_shape

**Return:** A tuple like `(rows, columns)`

Assertion	Status	Error
assert isinstance(result, tuple)	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert len(result) == 2	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: object of type 'NoneType' has no len()
assert result[0] > 0	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: 'NoneType' object is not subscriptable
assert result[1] == 7	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: 'NoneType' object is not subscriptable
assert result == (592, 7)	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError

Question: column_names

**Return:** A list of column names.

Assertion	Status	Error
assert isinstance(result, list)	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert result == ['Name', 'Team', 'Position', 'Height', 'Weight', 'College', 'Salary']	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert len(result) == 7	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: object of type 'NoneType' has no len()

Question: average_of_column

**Example:** If column name is `'Sales'`, return the mean of that column. **Hint:** Use `df[column_name].mean()`

Assertion	Status	Error
assert isinstance(salary_avg, (float, int))	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert round(salary_avg, 2) == 9218978.29	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: type NoneType doesn't define __round__ method
assert isinstance(weight_avg, (float, int))	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert round(weight_avg, 2) == 214.76	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: type NoneType doesn't define __round__ method

Question: filter_by_value

**Example:** `filter_by_value(dataset_path, 'Region', 'East')` **Return:** Filtered DataFrame

Assertion	Status	Score	Error
[context setup]	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 39, in run_assertions exec(context_code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 7, in <module> TypeError: object of type 'NoneType' has no len()

Ashmith B Shetty — 2423378

File: /Volumes/MacSSD/Trash/In class Practice Exam/student_notebook (1) (1).ipynb

Total: 0/27 (0.0%)

Question: check_number

**Return:** A string like `'5 is Positive'`, `'-2 is Negative'`, or `'0 is Zero'`

Assertion	Status	Error
assert check_number(5) == "5 is Positive"	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert check_number(-2) == "-2 is Negative"	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert check_number(0) == "0 is Zero"	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError

Question: sum_1_to_n

**Example:** Input `5` → `15` **Return:** Integer sum of all numbers from 1 to n.

Assertion	Status	Score	Error
assert sum_1_to_n(5) == 15	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> NameError: name 'sum_1_to_n' is not defined
assert sum_1_to_n(10) == 55	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> NameError: name 'sum_1_to_n' is not defined

Question: count_letter

**Example:** Input `('banana', 'a')` → `3` **Return:** The count of that letter in the word.

Assertion	Status	Score	Error
assert count_letter("banana", "a") == 3	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> NameError: name 'count_letter' is not defined
assert count_letter("apple", "p") == 2	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> NameError: name 'count_letter' is not defined

Question: even_numbers_1_to_10

**Return:** `[2, 4, 6, 8, 10]`

Assertion	Status	Score	Error
assert even_numbers_1_to_10() == [2, 4, 6, 8, 10]	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError

Question: average_of_three

**Example:** Input `(4, 8, 10)` → `7.3333...` **Return:** Arithmetic mean of the three numbers.

Assertion	Status	Score	Error
assert round(average_of_three(4, 8, 10), 2) == 7.33	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: type NoneType doesn't define __round__ method
assert average_of_three(3, 3, 3) == 3	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError

Question: load_head

**Hint:** Use `pd.read_csv(dataset_path)` **Return:** The first 5 rows as a DataFrame.

Assertion	Status	Error
assert isinstance(result, pd.DataFrame)	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert len(result) == 5	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: object of type 'NoneType' has no len()
assert list(result.columns) == ['Name', 'Team', 'Position', 'Height', 'Weight', 'College', 'Salary']	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AttributeError: 'NoneType' object has no attribute 'columns'
assert list(result.index) == [0, 1, 2, 3, 4]	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AttributeError: 'NoneType' object has no attribute 'index'

Question: dataset_shape

**Return:** A tuple like `(rows, columns)`

Assertion	Status	Error
assert isinstance(result, tuple)	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert len(result) == 2	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: object of type 'NoneType' has no len()
assert result[0] > 0	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: 'NoneType' object is not subscriptable
assert result[1] == 7	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: 'NoneType' object is not subscriptable
assert result == (592, 7)	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError

Question: column_names

**Return:** A list of column names.

Assertion	Status	Error
assert isinstance(result, list)	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert result == ['Name', 'Team', 'Position', 'Height', 'Weight', 'College', 'Salary']	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert len(result) == 7	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: object of type 'NoneType' has no len()

Question: average_of_column

**Example:** If column name is `'Sales'`, return the mean of that column. **Hint:** Use `df[column_name].mean()`

Assertion	Status	Error
assert isinstance(salary_avg, (float, int))	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert round(salary_avg, 2) == 9218978.29	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: type NoneType doesn't define __round__ method
assert isinstance(weight_avg, (float, int))	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert round(weight_avg, 2) == 214.76	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: type NoneType doesn't define __round__ method

Question: filter_by_value

**Example:** `filter_by_value(dataset_path, 'Region', 'East')` **Return:** Filtered DataFrame

Assertion	Status	Score	Error
[context setup]	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 39, in run_assertions exec(context_code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 7, in <module> TypeError: object of type 'NoneType' has no len()

Rohan Gurugunthi Mohan — 2423364

File: /Volumes/MacSSD/Trash/In class Practice Exam/student_notebook (1)(1).ipynb

Total: 19/27 (70.37%)

Question: check_number

**Return:** A string like `'5 is Positive'`, `'-2 is Negative'`, or `'0 is Zero'`

Assertion	Status	Score
assert check_number(5) == "5 is Positive"	passed	1
assert check_number(-2) == "-2 is Negative"	passed	1
assert check_number(0) == "0 is Zero"	passed	1

Question: sum_1_to_n

**Example:** Input `5` → `15` **Return:** Integer sum of all numbers from 1 to n.

Assertion	Status	Score	Error
assert sum_1_to_n(5) == 15	passed	1
assert sum_1_to_n(10) == 55	passed	1

Question: count_letter

**Example:** Input `('banana', 'a')` → `3` **Return:** The count of that letter in the word.

Assertion	Status	Score	Error
assert count_letter("banana", "a") == 3	passed	1
assert count_letter("apple", "p") == 2	passed	1

Question: even_numbers_1_to_10

**Return:** `[2, 4, 6, 8, 10]`

Assertion	Status	Score	Error
assert even_numbers_1_to_10() == [2, 4, 6, 8, 10]	passed	1

Question: average_of_three

**Example:** Input `(4, 8, 10)` → `7.3333...` **Return:** Arithmetic mean of the three numbers.

Assertion	Status	Score	Error
assert round(average_of_three(4, 8, 10), 2) == 7.33	passed	1
assert average_of_three(3, 3, 3) == 3	passed	1

Question: load_head

**Hint:** Use `pd.read_csv(dataset_path)` **Return:** The first 5 rows as a DataFrame.

Assertion	Status	Score
assert isinstance(result, pd.DataFrame)	passed	1
assert len(result) == 5	passed	1
assert list(result.columns) == ['Name', 'Team', 'Position', 'Height', 'Weight', 'College', 'Salary']	passed	1
assert list(result.index) == [0, 1, 2, 3, 4]	passed	1

Question: dataset_shape

**Return:** A tuple like `(rows, columns)`

Assertion	Status	Score
assert isinstance(result, tuple)	passed	1
assert len(result) == 2	passed	1
assert result[0] > 0	passed	1
assert result[1] == 7	passed	1
assert result == (592, 7)	passed	1

Question: column_names

**Return:** A list of column names.

Assertion	Status	Error
assert isinstance(result, list)	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert result == ['Name', 'Team', 'Position', 'Height', 'Weight', 'College', 'Salary']	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert len(result) == 7	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: object of type 'NoneType' has no len()

Question: average_of_column

**Example:** If column name is `'Sales'`, return the mean of that column. **Hint:** Use `df[column_name].mean()`

Assertion	Status	Error
assert isinstance(salary_avg, (float, int))	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert round(salary_avg, 2) == 9218978.29	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: type NoneType doesn't define __round__ method
assert isinstance(weight_avg, (float, int))	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert round(weight_avg, 2) == 214.76	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: type NoneType doesn't define __round__ method

Question: filter_by_value

**Example:** `filter_by_value(dataset_path, 'Region', 'East')` **Return:** Filtered DataFrame

Assertion	Status	Score	Error
[context setup]	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 39, in run_assertions exec(context_code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 7, in <module> TypeError: object of type 'NoneType' has no len()

Nitin Sunilkumar Sahsani — 2423350

File: /Volumes/MacSSD/Trash/In class Practice Exam/student_notebook (1)(2).ipynb

Total: 20/24 (83.33%)

Question: check_number

**Return:** A string like `'5 is Positive'`, `'-2 is Negative'`, or `'0 is Zero'`

Assertion	Status	Score	Error
assert check_number(5) == "5 is Positive"	passed	1
assert check_number(-2) == "-2 is Negative"	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> File "<string>", line 4, in check_number NameError: name 'num' is not defined. Did you mean: 'sum'?
assert check_number(0) == "0 is Zero"	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> File "<string>", line 4, in check_number NameError: name 'num' is not defined. Did you mean: 'sum'?

Question: sum_1_to_n

**Example:** Input `5` → `15` **Return:** Integer sum of all numbers from 1 to n.

Assertion	Status	Score	Error
assert sum_1_to_n(5) == 15	passed	1
assert sum_1_to_n(10) == 55	passed	1

Question: count_letter

**Example:** Input `('banana', 'a')` → `3` **Return:** The count of that letter in the word.

Assertion	Status	Score	Error
assert count_letter("banana", "a") == 3	passed	1
assert count_letter("apple", "p") == 2	passed	1

Question: even_numbers_1_to_10

**Return:** `[2, 4, 6, 8, 10]`

Assertion	Status	Score	Error
assert even_numbers_1_to_10() == [2, 4, 6, 8, 10]	passed	1

Question: average_of_three

**Example:** Input `(4, 8, 10)` → `7.3333...` **Return:** Arithmetic mean of the three numbers.

Assertion	Status	Score	Error
assert round(average_of_three(4, 8, 10), 2) == 7.33	passed	1
assert average_of_three(3, 3, 3) == 3	passed	1

Question: load_head

**Hint:** Use `pd.read_csv(dataset_path)` **Return:** The first 5 rows as a DataFrame.

Assertion	Status	Score	Error
[context setup]	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 39, in run_assertions exec(context_code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 6, in <module> File "<string>", line 4, in load_head NameError: name 'df' is not defined

Question: dataset_shape

**Return:** A tuple like `(rows, columns)`

Assertion	Status	Score
assert isinstance(result, tuple)	passed	1
assert len(result) == 2	passed	1
assert result[0] > 0	passed	1
assert result[1] == 7	passed	1
assert result == (592, 7)	passed	1

Question: column_names

**Return:** A list of column names.

Assertion	Status	Score
assert isinstance(result, list)	passed	1
assert result == ['Name', 'Team', 'Position', 'Height', 'Weight', 'College', 'Salary']	passed	1
assert len(result) == 7	passed	1

Question: average_of_column

**Example:** If column name is `'Sales'`, return the mean of that column. **Hint:** Use `df[column_name].mean()`

Assertion	Status	Score
assert isinstance(salary_avg, (float, int))	passed	1
assert round(salary_avg, 2) == 9218978.29	passed	1
assert isinstance(weight_avg, (float, int))	passed	1
assert round(weight_avg, 2) == 214.76	passed	1

Question: filter_by_value

**Example:** `filter_by_value(dataset_path, 'Region', 'East')` **Return:** Filtered DataFrame

Assertion	Status	Score	Error
[context setup]	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 39, in run_assertions exec(context_code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 7, in <module> TypeError: object of type 'NoneType' has no len()

aahaan chatterjee — 2423354

File: /Volumes/MacSSD/Trash/In class Practice Exam/student_notebook (1)(3).ipynb

Total: 2/24 (8.33%)

Question: check_number

**Return:** A string like `'5 is Positive'`, `'-2 is Negative'`, or `'0 is Zero'`

Assertion	Status	Score	Error
assert check_number(5) == "5 is Positive"	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert check_number(-2) == "-2 is Negative"	passed	1
assert check_number(0) == "0 is Zero"	passed	1

Question: sum_1_to_n

**Example:** Input `5` → `15` **Return:** Integer sum of all numbers from 1 to n.

Assertion	Status	Score	Error
assert sum_1_to_n(5) == 15	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert sum_1_to_n(10) == 55	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError

Question: count_letter

**Example:** Input `('banana', 'a')` → `3` **Return:** The count of that letter in the word.

Assertion	Status	Score	Error
assert count_letter("banana", "a") == 3	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert count_letter("apple", "p") == 2	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError

Question: even_numbers_1_to_10

**Return:** `[2, 4, 6, 8, 10]`

Assertion	Status	Score	Error
assert even_numbers_1_to_10() == [2, 4, 6, 8, 10]	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError

Question: average_of_three

**Example:** Input `(4, 8, 10)` → `7.3333...` **Return:** Arithmetic mean of the three numbers.

Assertion	Status	Score	Error
assert round(average_of_three(4, 8, 10), 2) == 7.33	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: type NoneType doesn't define __round__ method
assert average_of_three(3, 3, 3) == 3	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError

Question: load_head

**Hint:** Use `pd.read_csv(dataset_path)` **Return:** The first 5 rows as a DataFrame.

Assertion	Status	Score	Error
[context setup]	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 39, in run_assertions exec(context_code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 6, in <module> TypeError: load_head() takes 0 positional arguments but 1 was given

Question: dataset_shape

**Return:** A tuple like `(rows, columns)`

Assertion	Status	Error
assert isinstance(result, tuple)	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert len(result) == 2	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: object of type 'NoneType' has no len()
assert result[0] > 0	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: 'NoneType' object is not subscriptable
assert result[1] == 7	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: 'NoneType' object is not subscriptable
assert result == (592, 7)	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError

Question: column_names

**Return:** A list of column names.

Assertion	Status	Error
assert isinstance(result, list)	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert result == ['Name', 'Team', 'Position', 'Height', 'Weight', 'College', 'Salary']	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert len(result) == 7	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: object of type 'NoneType' has no len()

Question: average_of_column

**Example:** If column name is `'Sales'`, return the mean of that column. **Hint:** Use `df[column_name].mean()`

Assertion	Status	Error
assert isinstance(salary_avg, (float, int))	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert round(salary_avg, 2) == 9218978.29	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: type NoneType doesn't define __round__ method
assert isinstance(weight_avg, (float, int))	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert round(weight_avg, 2) == 214.76	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: type NoneType doesn't define __round__ method

Question: filter_by_value

**Example:** `filter_by_value(dataset_path, 'Region', 'East')` **Return:** Filtered DataFrame

Assertion	Status	Score	Error
[context setup]	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 39, in run_assertions exec(context_code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 7, in <module> TypeError: object of type 'NoneType' has no len()

student name — student roll number

File: /Volumes/MacSSD/Trash/In class Practice Exam/student_notebook (1)(4).ipynb

Total: 3/24 (12.5%)

Question: check_number

**Return:** A string like `'5 is Positive'`, `'-2 is Negative'`, or `'0 is Zero'`

Assertion	Status	Error
assert check_number(5) == "5 is Positive"	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert check_number(-2) == "-2 is Negative"	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert check_number(0) == "0 is Zero"	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError

Question: sum_1_to_n

**Example:** Input `5` → `15` **Return:** Integer sum of all numbers from 1 to n.

Assertion	Status	Score	Error
assert sum_1_to_n(5) == 15	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: sum_1_to_n() missing 1 required positional argument: 'n'
assert sum_1_to_n(10) == 55	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: sum_1_to_n() missing 1 required positional argument: 'n'

Question: count_letter

**Example:** Input `('banana', 'a')` → `3` **Return:** The count of that letter in the word.

Assertion	Status	Score	Error
assert count_letter("banana", "a") == 3	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert count_letter("apple", "p") == 2	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError

Question: even_numbers_1_to_10

**Return:** `[2, 4, 6, 8, 10]`

Assertion	Status	Score	Error
assert even_numbers_1_to_10() == [2, 4, 6, 8, 10]	passed	1

Question: average_of_three

**Example:** Input `(4, 8, 10)` → `7.3333...` **Return:** Arithmetic mean of the three numbers.

Assertion	Status	Score	Error
assert round(average_of_three(4, 8, 10), 2) == 7.33	passed	1
assert average_of_three(3, 3, 3) == 3	passed	1

Question: load_head

**Hint:** Use `pd.read_csv(dataset_path)` **Return:** The first 5 rows as a DataFrame.

Assertion	Status	Score	Error
[context setup]	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 39, in run_assertions exec(context_code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 6, in <module> NameError: name 'load_head' is not defined

Question: dataset_shape

**Return:** A tuple like `(rows, columns)`

Assertion	Status	Error
assert isinstance(result, tuple)	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert len(result) == 2	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: object of type 'NoneType' has no len()
assert result[0] > 0	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: 'NoneType' object is not subscriptable
assert result[1] == 7	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: 'NoneType' object is not subscriptable
assert result == (592, 7)	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError

Question: column_names

**Return:** A list of column names.

Assertion	Status	Error
assert isinstance(result, list)	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert result == ['Name', 'Team', 'Position', 'Height', 'Weight', 'College', 'Salary']	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert len(result) == 7	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: object of type 'NoneType' has no len()

Question: average_of_column

**Example:** If column name is `'Sales'`, return the mean of that column. **Hint:** Use `df[column_name].mean()`

Assertion	Status	Error
assert isinstance(salary_avg, (float, int))	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert round(salary_avg, 2) == 9218978.29	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: type NoneType doesn't define __round__ method
assert isinstance(weight_avg, (float, int))	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert round(weight_avg, 2) == 214.76	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: type NoneType doesn't define __round__ method

Question: filter_by_value

**Example:** `filter_by_value(dataset_path, 'Region', 'East')` **Return:** Filtered DataFrame

Assertion	Status	Score	Error
[context setup]	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 39, in run_assertions exec(context_code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 7, in <module> TypeError: object of type 'NoneType' has no len()

Vansh Rohida — 2423372

File: /Volumes/MacSSD/Trash/In class Practice Exam/student_notebook (1)(5).ipynb

Total: 6/27 (22.22%)

Question: check_number

**Return:** A string like `'5 is Positive'`, `'-2 is Negative'`, or `'0 is Zero'`

Assertion	Status	Score
assert check_number(5) == "5 is Positive"	passed	1
assert check_number(-2) == "-2 is Negative"	passed	1
assert check_number(0) == "0 is Zero"	passed	1

Question: sum_1_to_n

**Example:** Input `5` → `15` **Return:** Integer sum of all numbers from 1 to n.

Assertion	Status	Score	Error
assert sum_1_to_n(5) == 15	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> NameError: name 'sum_1_to_n' is not defined. Did you mean: 'sum_to_n'?
assert sum_1_to_n(10) == 55	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> NameError: name 'sum_1_to_n' is not defined. Did you mean: 'sum_to_n'?

Question: count_letter

**Example:** Input `('banana', 'a')` → `3` **Return:** The count of that letter in the word.

Assertion	Status	Score	Error
assert count_letter("banana", "a") == 3	passed	1
assert count_letter("apple", "p") == 2	passed	1

Question: even_numbers_1_to_10

**Return:** `[2, 4, 6, 8, 10]`

Assertion	Status	Score	Error
assert even_numbers_1_to_10() == [2, 4, 6, 8, 10]	passed	1

Question: average_of_three

**Example:** Input `(4, 8, 10)` → `7.3333...` **Return:** Arithmetic mean of the three numbers.

Assertion	Status	Score	Error
assert round(average_of_three(4, 8, 10), 2) == 7.33	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: type NoneType doesn't define __round__ method
assert average_of_three(3, 3, 3) == 3	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError

Question: load_head

**Hint:** Use `pd.read_csv(dataset_path)` **Return:** The first 5 rows as a DataFrame.

Assertion	Status	Error
assert isinstance(result, pd.DataFrame)	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert len(result) == 5	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: object of type 'NoneType' has no len()
assert list(result.columns) == ['Name', 'Team', 'Position', 'Height', 'Weight', 'College', 'Salary']	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AttributeError: 'NoneType' object has no attribute 'columns'
assert list(result.index) == [0, 1, 2, 3, 4]	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AttributeError: 'NoneType' object has no attribute 'index'

Question: dataset_shape

**Return:** A tuple like `(rows, columns)`

Assertion	Status	Error
assert isinstance(result, tuple)	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert len(result) == 2	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: object of type 'NoneType' has no len()
assert result[0] > 0	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: 'NoneType' object is not subscriptable
assert result[1] == 7	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: 'NoneType' object is not subscriptable
assert result == (592, 7)	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError

Question: column_names

**Return:** A list of column names.

Assertion	Status	Error
assert isinstance(result, list)	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert result == ['Name', 'Team', 'Position', 'Height', 'Weight', 'College', 'Salary']	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert len(result) == 7	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: object of type 'NoneType' has no len()

Question: average_of_column

**Example:** If column name is `'Sales'`, return the mean of that column. **Hint:** Use `df[column_name].mean()`

Assertion	Status	Error
assert isinstance(salary_avg, (float, int))	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert round(salary_avg, 2) == 9218978.29	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: type NoneType doesn't define __round__ method
assert isinstance(weight_avg, (float, int))	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert round(weight_avg, 2) == 214.76	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: type NoneType doesn't define __round__ method

Question: filter_by_value

**Example:** `filter_by_value(dataset_path, 'Region', 'East')` **Return:** Filtered DataFrame

Assertion	Status	Score	Error
[context setup]	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 39, in run_assertions exec(context_code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 7, in <module> TypeError: object of type 'NoneType' has no len()

Aarav Danani — 2423343

File: /Volumes/MacSSD/Trash/In class Practice Exam/student_notebook (1)(6).ipynb

Total: 26/30 (86.67%)

Question: check_number

**Return:** A string like `'5 is Positive'`, `'-2 is Negative'`, or `'0 is Zero'`

Assertion	Status	Score
assert check_number(5) == "5 is Positive"	passed	1
assert check_number(-2) == "-2 is Negative"	passed	1
assert check_number(0) == "0 is Zero"	passed	1

Question: sum_1_to_n

**Example:** Input `5` → `15` **Return:** Integer sum of all numbers from 1 to n.

Assertion	Status	Score	Error
assert sum_1_to_n(5) == 15	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> NameError: name 'sum_1_to_n' is not defined. Did you mean: 'sum_to_n'?
assert sum_1_to_n(10) == 55	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> NameError: name 'sum_1_to_n' is not defined. Did you mean: 'sum_to_n'?

Question: count_letter

**Example:** Input `('banana', 'a')` → `3` **Return:** The count of that letter in the word.

Assertion	Status	Score	Error
assert count_letter("banana", "a") == 3	passed	1
assert count_letter("apple", "p") == 2	passed	1

Question: even_numbers_1_to_10

**Return:** `[2, 4, 6, 8, 10]`

Assertion	Status	Score	Error
assert even_numbers_1_to_10() == [2, 4, 6, 8, 10]	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> NameError: name 'even_numbers_1_to_10' is not defined

Question: average_of_three

**Example:** Input `(4, 8, 10)` → `7.3333...` **Return:** Arithmetic mean of the three numbers.

Assertion	Status	Score	Error
assert round(average_of_three(4, 8, 10), 2) == 7.33	passed	1
assert average_of_three(3, 3, 3) == 3	passed	1

Question: load_head

**Hint:** Use `pd.read_csv(dataset_path)` **Return:** The first 5 rows as a DataFrame.

Assertion	Status	Score	Error
[context setup]	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 39, in run_assertions exec(context_code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 6, in <module> NameError: name 'load_head' is not defined

Question: dataset_shape

**Return:** A tuple like `(rows, columns)`

Assertion	Status	Score
assert isinstance(result, tuple)	passed	1
assert len(result) == 2	passed	1
assert result[0] > 0	passed	1
assert result[1] == 7	passed	1
assert result == (592, 7)	passed	1

Question: column_names

**Return:** A list of column names.

Assertion	Status	Score
assert isinstance(result, list)	passed	1
assert result == ['Name', 'Team', 'Position', 'Height', 'Weight', 'College', 'Salary']	passed	1
assert len(result) == 7	passed	1

Question: average_of_column

**Example:** If column name is `'Sales'`, return the mean of that column. **Hint:** Use `df[column_name].mean()`

Assertion	Status	Score
assert isinstance(salary_avg, (float, int))	passed	1
assert round(salary_avg, 2) == 9218978.29	passed	1
assert isinstance(weight_avg, (float, int))	passed	1
assert round(weight_avg, 2) == 214.76	passed	1

Question: filter_by_value

**Example:** `filter_by_value(dataset_path, 'Region', 'East')` **Return:** Filtered DataFrame

Assertion	Status	Score
assert isinstance(guards, pd.DataFrame)	passed	1
assert len(guards) > 0	passed	1
assert all(guards['Position'] == 'G')	passed	1
assert list(guards.columns) == ['Name', 'Team', 'Position', 'Height', 'Weight', 'College', 'Salary']	passed	1
assert isinstance(team_result, pd.DataFrame)	passed	1
assert len(team_result) > 0	passed	1
assert all(team_result['Team'] == 'Boston Celtics')	passed	1

student name — student roll number

File: /Volumes/MacSSD/Trash/In class Practice Exam/student_notebook (1)(7).ipynb

Total: 22/27 (81.48%)

Question: check_number

**Return:** A string like `'5 is Positive'`, `'-2 is Negative'`, or `'0 is Zero'`

Assertion	Status	Score
assert check_number(5) == "5 is Positive"	passed	1
assert check_number(-2) == "-2 is Negative"	passed	1
assert check_number(0) == "0 is Zero"	passed	1

Question: sum_1_to_n

**Example:** Input `5` → `15` **Return:** Integer sum of all numbers from 1 to n.

Assertion	Status	Score	Error
assert sum_1_to_n(5) == 15	passed	1
assert sum_1_to_n(10) == 55	passed	1

Question: count_letter

**Example:** Input `('banana', 'a')` → `3` **Return:** The count of that letter in the word.

Assertion	Status	Score	Error
assert count_letter("banana", "a") == 3	passed	1
assert count_letter("apple", "p") == 2	passed	1

Question: even_numbers_1_to_10

**Return:** `[2, 4, 6, 8, 10]`

Assertion	Status	Score	Error
assert even_numbers_1_to_10() == [2, 4, 6, 8, 10]	passed	1

Question: average_of_three

**Example:** Input `(4, 8, 10)` → `7.3333...` **Return:** Arithmetic mean of the three numbers.

Assertion	Status	Score	Error
assert round(average_of_three(4, 8, 10), 2) == 7.33	passed	1
assert average_of_three(3, 3, 3) == 3	passed	1

Question: load_head

**Hint:** Use `pd.read_csv(dataset_path)` **Return:** The first 5 rows as a DataFrame.

Assertion	Status	Score
assert isinstance(result, pd.DataFrame)	passed	1
assert len(result) == 5	passed	1
assert list(result.columns) == ['Name', 'Team', 'Position', 'Height', 'Weight', 'College', 'Salary']	passed	1
assert list(result.index) == [0, 1, 2, 3, 4]	passed	1

Question: dataset_shape

**Return:** A tuple like `(rows, columns)`

Assertion	Status	Score
assert isinstance(result, tuple)	passed	1
assert len(result) == 2	passed	1
assert result[0] > 0	passed	1
assert result[1] == 7	passed	1
assert result == (592, 7)	passed	1

Question: column_names

**Return:** A list of column names.

Assertion	Status	Score
assert isinstance(result, list)	passed	1
assert result == ['Name', 'Team', 'Position', 'Height', 'Weight', 'College', 'Salary']	passed	1
assert len(result) == 7	passed	1

Question: average_of_column

**Example:** If column name is `'Sales'`, return the mean of that column. **Hint:** Use `df[column_name].mean()`

Assertion	Status	Error
assert isinstance(salary_avg, (float, int))	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert round(salary_avg, 2) == 9218978.29	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: type NoneType doesn't define __round__ method
assert isinstance(weight_avg, (float, int))	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert round(weight_avg, 2) == 214.76	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: type NoneType doesn't define __round__ method

Question: filter_by_value

**Example:** `filter_by_value(dataset_path, 'Region', 'East')` **Return:** Filtered DataFrame

Assertion	Status	Score	Error
[context setup]	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 39, in run_assertions exec(context_code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 7, in <module> TypeError: object of type 'NoneType' has no len()

A.Narane Karthic — 2423379

File: /Volumes/MacSSD/Trash/In class Practice Exam/student_notebook (1).ipynb

Total: 2/27 (7.41%)

Question: check_number

**Return:** A string like `'5 is Positive'`, `'-2 is Negative'`, or `'0 is Zero'`

Assertion	Status	Error
assert check_number(5) == "5 is Positive"	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert check_number(-2) == "-2 is Negative"	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert check_number(0) == "0 is Zero"	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError

Question: sum_1_to_n

**Example:** Input `5` → `15` **Return:** Integer sum of all numbers from 1 to n.

Assertion	Status	Score	Error
assert sum_1_to_n(5) == 15	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert sum_1_to_n(10) == 55	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError

Question: count_letter

**Example:** Input `('banana', 'a')` → `3` **Return:** The count of that letter in the word.

Assertion	Status	Score	Error
assert count_letter("banana", "a") == 3	passed	1
assert count_letter("apple", "p") == 2	passed	1

Question: even_numbers_1_to_10

**Return:** `[2, 4, 6, 8, 10]`

Assertion	Status	Score	Error
assert even_numbers_1_to_10() == [2, 4, 6, 8, 10]	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> NameError: name 'even_numbers_1_to_10' is not defined

Question: average_of_three

**Example:** Input `(4, 8, 10)` → `7.3333...` **Return:** Arithmetic mean of the three numbers.

Assertion	Status	Score	Error
assert round(average_of_three(4, 8, 10), 2) == 7.33	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: type NoneType doesn't define __round__ method
assert average_of_three(3, 3, 3) == 3	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError

Question: load_head

**Hint:** Use `pd.read_csv(dataset_path)` **Return:** The first 5 rows as a DataFrame.

Assertion	Status	Error
assert isinstance(result, pd.DataFrame)	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert len(result) == 5	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: object of type 'NoneType' has no len()
assert list(result.columns) == ['Name', 'Team', 'Position', 'Height', 'Weight', 'College', 'Salary']	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AttributeError: 'NoneType' object has no attribute 'columns'
assert list(result.index) == [0, 1, 2, 3, 4]	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AttributeError: 'NoneType' object has no attribute 'index'

Question: dataset_shape

**Return:** A tuple like `(rows, columns)`

Assertion	Status	Error
assert isinstance(result, tuple)	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert len(result) == 2	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: object of type 'NoneType' has no len()
assert result[0] > 0	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: 'NoneType' object is not subscriptable
assert result[1] == 7	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: 'NoneType' object is not subscriptable
assert result == (592, 7)	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError

Question: column_names

**Return:** A list of column names.

Assertion	Status	Error
assert isinstance(result, list)	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert result == ['Name', 'Team', 'Position', 'Height', 'Weight', 'College', 'Salary']	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert len(result) == 7	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: object of type 'NoneType' has no len()

Question: average_of_column

**Example:** If column name is `'Sales'`, return the mean of that column. **Hint:** Use `df[column_name].mean()`

Assertion	Status	Error
assert isinstance(salary_avg, (float, int))	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert round(salary_avg, 2) == 9218978.29	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: type NoneType doesn't define __round__ method
assert isinstance(weight_avg, (float, int))	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert round(weight_avg, 2) == 214.76	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: type NoneType doesn't define __round__ method

Question: filter_by_value

**Example:** `filter_by_value(dataset_path, 'Region', 'East')` **Return:** Filtered DataFrame

Assertion	Status	Score	Error
[context setup]	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 39, in run_assertions exec(context_code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 7, in <module> TypeError: object of type 'NoneType' has no len()

student name — student roll number

File: /Volumes/MacSSD/Trash/In class Practice Exam/student_notebook (2).ipynb

Total: 0/27 (0.0%)

Question: check_number

**Return:** A string like `'5 is Positive'`, `'-2 is Negative'`, or `'0 is Zero'`

Assertion	Status	Error
assert check_number(5) == "5 is Positive"	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert check_number(-2) == "-2 is Negative"	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert check_number(0) == "0 is Zero"	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError

Question: sum_1_to_n

**Example:** Input `5` → `15` **Return:** Integer sum of all numbers from 1 to n.

Assertion	Status	Score	Error
assert sum_1_to_n(5) == 15	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert sum_1_to_n(10) == 55	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError

Question: count_letter

**Example:** Input `('banana', 'a')` → `3` **Return:** The count of that letter in the word.

Assertion	Status	Score	Error
assert count_letter("banana", "a") == 3	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert count_letter("apple", "p") == 2	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError

Question: even_numbers_1_to_10

**Return:** `[2, 4, 6, 8, 10]`

Assertion	Status	Score	Error
assert even_numbers_1_to_10() == [2, 4, 6, 8, 10]	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError

Question: average_of_three

**Example:** Input `(4, 8, 10)` → `7.3333...` **Return:** Arithmetic mean of the three numbers.

Assertion	Status	Score	Error
assert round(average_of_three(4, 8, 10), 2) == 7.33	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: type NoneType doesn't define __round__ method
assert average_of_three(3, 3, 3) == 3	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError

Question: load_head

**Hint:** Use `pd.read_csv(dataset_path)` **Return:** The first 5 rows as a DataFrame.

Assertion	Status	Error
assert isinstance(result, pd.DataFrame)	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert len(result) == 5	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: object of type 'NoneType' has no len()
assert list(result.columns) == ['Name', 'Team', 'Position', 'Height', 'Weight', 'College', 'Salary']	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AttributeError: 'NoneType' object has no attribute 'columns'
assert list(result.index) == [0, 1, 2, 3, 4]	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AttributeError: 'NoneType' object has no attribute 'index'

Question: dataset_shape

**Return:** A tuple like `(rows, columns)`

Assertion	Status	Error
assert isinstance(result, tuple)	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert len(result) == 2	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: object of type 'NoneType' has no len()
assert result[0] > 0	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: 'NoneType' object is not subscriptable
assert result[1] == 7	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: 'NoneType' object is not subscriptable
assert result == (592, 7)	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError

Question: column_names

**Return:** A list of column names.

Assertion	Status	Error
assert isinstance(result, list)	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert result == ['Name', 'Team', 'Position', 'Height', 'Weight', 'College', 'Salary']	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert len(result) == 7	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: object of type 'NoneType' has no len()

Question: average_of_column

**Example:** If column name is `'Sales'`, return the mean of that column. **Hint:** Use `df[column_name].mean()`

Assertion	Status	Error
assert isinstance(salary_avg, (float, int))	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert round(salary_avg, 2) == 9218978.29	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: type NoneType doesn't define __round__ method
assert isinstance(weight_avg, (float, int))	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert round(weight_avg, 2) == 214.76	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: type NoneType doesn't define __round__ method

Question: filter_by_value

**Example:** `filter_by_value(dataset_path, 'Region', 'East')` **Return:** Filtered DataFrame

Assertion	Status	Score	Error
[context setup]	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 39, in run_assertions exec(context_code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 7, in <module> TypeError: object of type 'NoneType' has no len()

Sai_Shobhith — 2423351

File: /Volumes/MacSSD/Trash/In class Practice Exam/student_notebook siva samvit.ipynb

Total: 8/27 (29.63%)

Question: check_number

**Return:** A string like `'5 is Positive'`, `'-2 is Negative'`, or `'0 is Zero'`

Assertion	Status	Score
assert check_number(5) == "5 is Positive"	passed	1
assert check_number(-2) == "-2 is Negative"	passed	1
assert check_number(0) == "0 is Zero"	passed	1

Question: sum_1_to_n

**Example:** Input `5` → `15` **Return:** Integer sum of all numbers from 1 to n.

Assertion	Status	Score	Error
assert sum_1_to_n(5) == 15	passed	1
assert sum_1_to_n(10) == 55	passed	1

Question: count_letter

**Example:** Input `('banana', 'a')` → `3` **Return:** The count of that letter in the word.

Assertion	Status	Score	Error
assert count_letter("banana", "a") == 3	passed	1
assert count_letter("apple", "p") == 2	passed	1

Question: even_numbers_1_to_10

**Return:** `[2, 4, 6, 8, 10]`

Assertion	Status	Score	Error
assert even_numbers_1_to_10() == [2, 4, 6, 8, 10]	passed	1

Question: average_of_three

**Example:** Input `(4, 8, 10)` → `7.3333...` **Return:** Arithmetic mean of the three numbers.

Assertion	Status	Score	Error
assert round(average_of_three(4, 8, 10), 2) == 7.33	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: type NoneType doesn't define __round__ method
assert average_of_three(3, 3, 3) == 3	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError

Question: load_head

**Hint:** Use `pd.read_csv(dataset_path)` **Return:** The first 5 rows as a DataFrame.

Assertion	Status	Error
assert isinstance(result, pd.DataFrame)	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert len(result) == 5	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: object of type 'NoneType' has no len()
assert list(result.columns) == ['Name', 'Team', 'Position', 'Height', 'Weight', 'College', 'Salary']	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AttributeError: 'NoneType' object has no attribute 'columns'
assert list(result.index) == [0, 1, 2, 3, 4]	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AttributeError: 'NoneType' object has no attribute 'index'

Question: dataset_shape

**Return:** A tuple like `(rows, columns)`

Assertion	Status	Error
assert isinstance(result, tuple)	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert len(result) == 2	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: object of type 'NoneType' has no len()
assert result[0] > 0	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: 'NoneType' object is not subscriptable
assert result[1] == 7	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: 'NoneType' object is not subscriptable
assert result == (592, 7)	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError

Question: column_names

**Return:** A list of column names.

Assertion	Status	Error
assert isinstance(result, list)	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert result == ['Name', 'Team', 'Position', 'Height', 'Weight', 'College', 'Salary']	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert len(result) == 7	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: object of type 'NoneType' has no len()

Question: average_of_column

**Example:** If column name is `'Sales'`, return the mean of that column. **Hint:** Use `df[column_name].mean()`

Assertion	Status	Error
assert isinstance(salary_avg, (float, int))	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert round(salary_avg, 2) == 9218978.29	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: type NoneType doesn't define __round__ method
assert isinstance(weight_avg, (float, int))	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert round(weight_avg, 2) == 214.76	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: type NoneType doesn't define __round__ method

Question: filter_by_value

**Example:** `filter_by_value(dataset_path, 'Region', 'East')` **Return:** Filtered DataFrame

Assertion	Status	Score	Error
[context setup]	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 39, in run_assertions exec(context_code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 7, in <module> TypeError: object of type 'NoneType' has no len()

Nimrat Singh — 2423361

File: /Volumes/MacSSD/Trash/In class Practice Exam/student_notebook(1).ipynb

Total: 18/21 (85.71%)

Question: check_number

**Return:** A string like `'5 is Positive'`, `'-2 is Negative'`, or `'0 is Zero'`

Assertion	Status	Score
assert check_number(5) == "5 is Positive"	passed	1
assert check_number(-2) == "-2 is Negative"	passed	1
assert check_number(0) == "0 is Zero"	passed	1

Question: sum_1_to_n

**Example:** Input `5` → `15` **Return:** Integer sum of all numbers from 1 to n.

Assertion	Status	Score	Error
assert sum_1_to_n(5) == 15	passed	1
assert sum_1_to_n(10) == 55	passed	1

Question: count_letter

**Example:** Input `('banana', 'a')` → `3` **Return:** The count of that letter in the word.

Assertion	Status	Score	Error
assert count_letter("banana", "a") == 3	passed	1
assert count_letter("apple", "p") == 2	passed	1

Question: even_numbers_1_to_10

**Return:** `[2, 4, 6, 8, 10]`

Assertion	Status	Score	Error
assert even_numbers_1_to_10() == [2, 4, 6, 8, 10]	passed	1

Question: average_of_three

**Example:** Input `(4, 8, 10)` → `7.3333...` **Return:** Arithmetic mean of the three numbers.

Assertion	Status	Score	Error
assert round(average_of_three(4, 8, 10), 2) == 7.33	passed	1
assert average_of_three(3, 3, 3) == 3	passed	1

Question: load_head

**Hint:** Use `pd.read_csv(dataset_path)` **Return:** The first 5 rows as a DataFrame.

Assertion	Status	Score	Error
[context setup]	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 39, in run_assertions exec(context_code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 6, in <module> File "<string>", line 4, in load_head File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/.venv/lib/python3.13/site-packages/pandas/io/parsers/readers.py", line 1026, in read_csv return _read(filepath_or_buffer, kwds) File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/.venv/lib/python3.13/site-packages/pandas/io/parsers/readers.py", line 620, in _read parser = TextFileReader(filepath_or_buffer, **kwds) File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/.venv/lib/python3.13/site-packages/pandas/io/parsers/readers.py", line 1620, in __init__ self._engine = self._make_engine(f, self.engine) ~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^ File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/.venv/lib/python3.13/site-packages/pandas/io/parsers/readers.py", line 1880, in _make_engine self.handles = get_handle( ~~~~~~~~~~^ f, ^^ ...<6 lines>... storage_options=self.options.get("storage_options", None), ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ) ^ File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/.venv/lib/python3.13/site-packages/pandas/io/common.py", line 873, in get_handle handle = open( handle, ...<3 lines>... newline="", ) FileNotFoundError: [Errno 2] No such file or directory: '/Users/nimratsagoo/Downloads/NIMRAT SINGH 2423361 - nba - NIMRAT SINGH 2423361 - nba.csv'

Question: dataset_shape

**Return:** A tuple like `(rows, columns)`

Assertion	Status	Score
assert isinstance(result, tuple)	passed	1
assert len(result) == 2	passed	1
assert result[0] > 0	passed	1
assert result[1] == 7	passed	1
assert result == (592, 7)	passed	1

Question: column_names

**Return:** A list of column names.

Assertion	Status	Score
assert isinstance(result, list)	passed	1
assert result == ['Name', 'Team', 'Position', 'Height', 'Weight', 'College', 'Salary']	passed	1
assert len(result) == 7	passed	1

Question: average_of_column

**Example:** If column name is `'Sales'`, return the mean of that column. **Hint:** Use `df[column_name].mean()`

Assertion	Status	Score	Error
[context setup]	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 39, in run_assertions exec(context_code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 6, in <module> NameError: name 'average_of_column' is not defined. Did you mean: 'average_of_three'?

Question: filter_by_value

**Example:** `filter_by_value(dataset_path, 'Region', 'East')` **Return:** Filtered DataFrame

Assertion	Status	Score	Error
[context setup]	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 39, in run_assertions exec(context_code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 6, in <module> NameError: name 'filter_by_value' is not defined

aahaan chatterjee — 2423354

File: /Volumes/MacSSD/Trash/In class Practice Exam/student_notebook(2).ipynb

Total: 2/24 (8.33%)

Question: check_number

**Return:** A string like `'5 is Positive'`, `'-2 is Negative'`, or `'0 is Zero'`

Assertion	Status	Score	Error
assert check_number(5) == "5 is Positive"	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert check_number(-2) == "-2 is Negative"	passed	1
assert check_number(0) == "0 is Zero"	passed	1

Question: sum_1_to_n

**Example:** Input `5` → `15` **Return:** Integer sum of all numbers from 1 to n.

Assertion	Status	Score	Error
assert sum_1_to_n(5) == 15	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert sum_1_to_n(10) == 55	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError

Question: count_letter

**Example:** Input `('banana', 'a')` → `3` **Return:** The count of that letter in the word.

Assertion	Status	Score	Error
assert count_letter("banana", "a") == 3	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert count_letter("apple", "p") == 2	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError

Question: even_numbers_1_to_10

**Return:** `[2, 4, 6, 8, 10]`

Assertion	Status	Score	Error
assert even_numbers_1_to_10() == [2, 4, 6, 8, 10]	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError

Question: average_of_three

**Example:** Input `(4, 8, 10)` → `7.3333...` **Return:** Arithmetic mean of the three numbers.

Assertion	Status	Score	Error
assert round(average_of_three(4, 8, 10), 2) == 7.33	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: type NoneType doesn't define __round__ method
assert average_of_three(3, 3, 3) == 3	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError

Question: load_head

**Hint:** Use `pd.read_csv(dataset_path)` **Return:** The first 5 rows as a DataFrame.

Assertion	Status	Score	Error
[context setup]	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 39, in run_assertions exec(context_code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 6, in <module> TypeError: load_head() takes 0 positional arguments but 1 was given

Question: dataset_shape

**Return:** A tuple like `(rows, columns)`

Assertion	Status	Error
assert isinstance(result, tuple)	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert len(result) == 2	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: object of type 'NoneType' has no len()
assert result[0] > 0	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: 'NoneType' object is not subscriptable
assert result[1] == 7	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: 'NoneType' object is not subscriptable
assert result == (592, 7)	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError

Question: column_names

**Return:** A list of column names.

Assertion	Status	Error
assert isinstance(result, list)	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert result == ['Name', 'Team', 'Position', 'Height', 'Weight', 'College', 'Salary']	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert len(result) == 7	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: object of type 'NoneType' has no len()

Question: average_of_column

**Example:** If column name is `'Sales'`, return the mean of that column. **Hint:** Use `df[column_name].mean()`

Assertion	Status	Error
assert isinstance(salary_avg, (float, int))	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert round(salary_avg, 2) == 9218978.29	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: type NoneType doesn't define __round__ method
assert isinstance(weight_avg, (float, int))	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert round(weight_avg, 2) == 214.76	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: type NoneType doesn't define __round__ method

Question: filter_by_value

**Example:** `filter_by_value(dataset_path, 'Region', 'East')` **Return:** Filtered DataFrame

Assertion	Status	Score	Error
[context setup]	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 39, in run_assertions exec(context_code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 7, in <module> TypeError: object of type 'NoneType' has no len()

Sai_Shobhith — 2423351

File: /Volumes/MacSSD/Trash/In class Practice Exam/student_notebook(3).ipynb

Total: 8/27 (29.63%)

Question: check_number

**Return:** A string like `'5 is Positive'`, `'-2 is Negative'`, or `'0 is Zero'`

Assertion	Status	Score
assert check_number(5) == "5 is Positive"	passed	1
assert check_number(-2) == "-2 is Negative"	passed	1
assert check_number(0) == "0 is Zero"	passed	1

Question: sum_1_to_n

**Example:** Input `5` → `15` **Return:** Integer sum of all numbers from 1 to n.

Assertion	Status	Score	Error
assert sum_1_to_n(5) == 15	passed	1
assert sum_1_to_n(10) == 55	passed	1

Question: count_letter

**Example:** Input `('banana', 'a')` → `3` **Return:** The count of that letter in the word.

Assertion	Status	Score	Error
assert count_letter("banana", "a") == 3	passed	1
assert count_letter("apple", "p") == 2	passed	1

Question: even_numbers_1_to_10

**Return:** `[2, 4, 6, 8, 10]`

Assertion	Status	Score	Error
assert even_numbers_1_to_10() == [2, 4, 6, 8, 10]	passed	1

Question: average_of_three

**Example:** Input `(4, 8, 10)` → `7.3333...` **Return:** Arithmetic mean of the three numbers.

Assertion	Status	Score	Error
assert round(average_of_three(4, 8, 10), 2) == 7.33	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: type NoneType doesn't define __round__ method
assert average_of_three(3, 3, 3) == 3	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError

Question: load_head

**Hint:** Use `pd.read_csv(dataset_path)` **Return:** The first 5 rows as a DataFrame.

Assertion	Status	Error
assert isinstance(result, pd.DataFrame)	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert len(result) == 5	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: object of type 'NoneType' has no len()
assert list(result.columns) == ['Name', 'Team', 'Position', 'Height', 'Weight', 'College', 'Salary']	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AttributeError: 'NoneType' object has no attribute 'columns'
assert list(result.index) == [0, 1, 2, 3, 4]	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AttributeError: 'NoneType' object has no attribute 'index'

Question: dataset_shape

**Return:** A tuple like `(rows, columns)`

Assertion	Status	Error
assert isinstance(result, tuple)	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert len(result) == 2	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: object of type 'NoneType' has no len()
assert result[0] > 0	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: 'NoneType' object is not subscriptable
assert result[1] == 7	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: 'NoneType' object is not subscriptable
assert result == (592, 7)	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError

Question: column_names

**Return:** A list of column names.

Assertion	Status	Error
assert isinstance(result, list)	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert result == ['Name', 'Team', 'Position', 'Height', 'Weight', 'College', 'Salary']	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert len(result) == 7	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: object of type 'NoneType' has no len()

Question: average_of_column

**Example:** If column name is `'Sales'`, return the mean of that column. **Hint:** Use `df[column_name].mean()`

Assertion	Status	Error
assert isinstance(salary_avg, (float, int))	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert round(salary_avg, 2) == 9218978.29	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: type NoneType doesn't define __round__ method
assert isinstance(weight_avg, (float, int))	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert round(weight_avg, 2) == 214.76	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: type NoneType doesn't define __round__ method

Question: filter_by_value

**Example:** `filter_by_value(dataset_path, 'Region', 'East')` **Return:** Filtered DataFrame

Assertion	Status	Score	Error
[context setup]	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 39, in run_assertions exec(context_code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 7, in <module> TypeError: object of type 'NoneType' has no len()

Kpail rawat — 2423356

File: /Volumes/MacSSD/Trash/In class Practice Exam/student_notebook(4).ipynb

Total: 16/27 (59.26%)

Question: check_number

**Return:** A string like `'5 is Positive'`, `'-2 is Negative'`, or `'0 is Zero'`

Assertion	Status	Error
assert check_number(5) == "5 is Positive"	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert check_number(-2) == "-2 is Negative"	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert check_number(0) == "0 is Zero"	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError

Question: sum_1_to_n

**Example:** Input `5` → `15` **Return:** Integer sum of all numbers from 1 to n.

Assertion	Status	Score	Error
assert sum_1_to_n(5) == 15	passed	1
assert sum_1_to_n(10) == 55	passed	1

Question: count_letter

**Example:** Input `('banana', 'a')` → `3` **Return:** The count of that letter in the word.

Assertion	Status	Score	Error
assert count_letter("banana", "a") == 3	passed	1
assert count_letter("apple", "p") == 2	passed	1

Question: even_numbers_1_to_10

**Return:** `[2, 4, 6, 8, 10]`

Assertion	Status	Score	Error
assert even_numbers_1_to_10() == [2, 4, 6, 8, 10]	passed	1

Question: average_of_three

**Example:** Input `(4, 8, 10)` → `7.3333...` **Return:** Arithmetic mean of the three numbers.

Assertion	Status	Score	Error
assert round(average_of_three(4, 8, 10), 2) == 7.33	passed	1
assert average_of_three(3, 3, 3) == 3	passed	1

Question: load_head

**Hint:** Use `pd.read_csv(dataset_path)` **Return:** The first 5 rows as a DataFrame.

Assertion	Status	Score
assert isinstance(result, pd.DataFrame)	passed	1
assert len(result) == 5	passed	1
assert list(result.columns) == ['Name', 'Team', 'Position', 'Height', 'Weight', 'College', 'Salary']	passed	1
assert list(result.index) == [0, 1, 2, 3, 4]	passed	1

Question: dataset_shape

**Return:** A tuple like `(rows, columns)`

Assertion	Status	Score
assert isinstance(result, tuple)	passed	1
assert len(result) == 2	passed	1
assert result[0] > 0	passed	1
assert result[1] == 7	passed	1
assert result == (592, 7)	passed	1

Question: column_names

**Return:** A list of column names.

Assertion	Status	Error
assert isinstance(result, list)	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert result == ['Name', 'Team', 'Position', 'Height', 'Weight', 'College', 'Salary']	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert len(result) == 7	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: object of type 'NoneType' has no len()

Question: average_of_column

**Example:** If column name is `'Sales'`, return the mean of that column. **Hint:** Use `df[column_name].mean()`

Assertion	Status	Error
assert isinstance(salary_avg, (float, int))	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert round(salary_avg, 2) == 9218978.29	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: type NoneType doesn't define __round__ method
assert isinstance(weight_avg, (float, int))	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert round(weight_avg, 2) == 214.76	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: type NoneType doesn't define __round__ method

Question: filter_by_value

**Example:** `filter_by_value(dataset_path, 'Region', 'East')` **Return:** Filtered DataFrame

Assertion	Status	Score	Error
[context setup]	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 39, in run_assertions exec(context_code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 7, in <module> TypeError: object of type 'NoneType' has no len()

Udit Baid — 2423384

File: /Volumes/MacSSD/Trash/In class Practice Exam/student_notebook(5).ipynb

Total: 5/20 (25.0%)

Question: check_number

**Return:** A string like `'5 is Positive'`, `'-2 is Negative'`, or `'0 is Zero'`

Assertion	Status	Score
assert check_number(5) == "5 is Positive"	passed	1
assert check_number(-2) == "-2 is Negative"	passed	1
assert check_number(0) == "0 is Zero"	passed	1

Question: sum_1_to_n

**Example:** Input `5` → `15` **Return:** Integer sum of all numbers from 1 to n.

Assertion	Status	Score	Error
assert sum_1_to_n(5) == 15	passed	1
assert sum_1_to_n(10) == 55	passed	1

Question: count_letter

**Example:** Input `('banana', 'a')` → `3` **Return:** The count of that letter in the word.

Assertion	Status	Score	Error
assert count_letter("banana", "a") == 3	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert count_letter("apple", "p") == 2	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError

Question: even_numbers_1_to_10

**Return:** `[2, 4, 6, 8, 10]`

Assertion	Status	Score	Error
assert even_numbers_1_to_10() == [2, 4, 6, 8, 10]	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError

Question: average_of_three

**Example:** Input `(4, 8, 10)` → `7.3333...` **Return:** Arithmetic mean of the three numbers.

Assertion	Status	Score	Error
assert round(average_of_three(4, 8, 10), 2) == 7.33	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: type NoneType doesn't define __round__ method
assert average_of_three(3, 3, 3) == 3	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError

Question: load_head

**Hint:** Use `pd.read_csv(dataset_path)` **Return:** The first 5 rows as a DataFrame.

Assertion	Status	Score	Error
[context setup]	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 39, in run_assertions exec(context_code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 6, in <module> File "<string>", line 4, in load_head File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/.venv/lib/python3.13/site-packages/pandas/io/parsers/readers.py", line 1026, in read_csv return _read(filepath_or_buffer, kwds) File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/.venv/lib/python3.13/site-packages/pandas/io/parsers/readers.py", line 620, in _read parser = TextFileReader(filepath_or_buffer, **kwds) File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/.venv/lib/python3.13/site-packages/pandas/io/parsers/readers.py", line 1620, in __init__ self._engine = self._make_engine(f, self.engine) ~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^ File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/.venv/lib/python3.13/site-packages/pandas/io/parsers/readers.py", line 1880, in _make_engine self.handles = get_handle( ~~~~~~~~~~^ f, ^^ ...<6 lines>... storage_options=self.options.get("storage_options", None), ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ) ^ File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/.venv/lib/python3.13/site-packages/pandas/io/common.py", line 873, in get_handle handle = open( handle, ...<3 lines>... newline="", ) FileNotFoundError: [Errno 2] No such file or directory: 'C:\\Users\\uditb\\Downloads\\UDIT BAID 2423384 - nba.csv'

Question: dataset_shape

**Return:** A tuple like `(rows, columns)`

Assertion	Status	Score	Error
[context setup]	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 39, in run_assertions exec(context_code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 6, in <module> NameError: name 'dataset_shape' is not defined. Did you mean: 'dataset_path'?

Question: column_names

**Return:** A list of column names.

Assertion	Status	Error
assert isinstance(result, list)	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert result == ['Name', 'Team', 'Position', 'Height', 'Weight', 'College', 'Salary']	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert len(result) == 7	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: object of type 'NoneType' has no len()

Question: average_of_column

**Example:** If column name is `'Sales'`, return the mean of that column. **Hint:** Use `df[column_name].mean()`

Assertion	Status	Error
assert isinstance(salary_avg, (float, int))	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert round(salary_avg, 2) == 9218978.29	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: type NoneType doesn't define __round__ method
assert isinstance(weight_avg, (float, int))	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert round(weight_avg, 2) == 214.76	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: type NoneType doesn't define __round__ method

Question: filter_by_value

**Example:** `filter_by_value(dataset_path, 'Region', 'East')` **Return:** Filtered DataFrame

Assertion	Status	Score	Error
[context setup]	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 39, in run_assertions exec(context_code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 7, in <module> TypeError: object of type 'NoneType' has no len()

Tejas Pnadey — 2423352

File: /Volumes/MacSSD/Trash/In class Practice Exam/student_notebook(6).ipynb

Total: 14/24 (58.33%)

Question: check_number

**Return:** A string like `'5 is Positive'`, `'-2 is Negative'`, or `'0 is Zero'`

Assertion	Status	Score
assert check_number(5) == "5 is Positive"	passed	1
assert check_number(-2) == "-2 is Negative"	passed	1
assert check_number(0) == "0 is Zero"	passed	1

Question: sum_1_to_n

**Example:** Input `5` → `15` **Return:** Integer sum of all numbers from 1 to n.

Assertion	Status	Score	Error
assert sum_1_to_n(5) == 15	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> NameError: name 'sum_1_to_n' is not defined. Did you mean: 'sum_to_n'?
assert sum_1_to_n(10) == 55	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> NameError: name 'sum_1_to_n' is not defined. Did you mean: 'sum_to_n'?

Question: count_letter

**Example:** Input `('banana', 'a')` → `3` **Return:** The count of that letter in the word.

Assertion	Status	Score	Error
assert count_letter("banana", "a") == 3	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> NameError: name 'count_letter' is not defined
assert count_letter("apple", "p") == 2	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> NameError: name 'count_letter' is not defined

Question: even_numbers_1_to_10

**Return:** `[2, 4, 6, 8, 10]`

Assertion	Status	Score	Error
assert even_numbers_1_to_10() == [2, 4, 6, 8, 10]	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> NameError: name 'even_numbers_1_to_10' is not defined

Question: average_of_three

**Example:** Input `(4, 8, 10)` → `7.3333...` **Return:** Arithmetic mean of the three numbers.

Assertion	Status	Score	Error
assert round(average_of_three(4, 8, 10), 2) == 7.33	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> NameError: name 'average_of_three' is not defined. Did you mean: 'average_of_column'?
assert average_of_three(3, 3, 3) == 3	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> NameError: name 'average_of_three' is not defined. Did you mean: 'average_of_column'?

Question: load_head

**Hint:** Use `pd.read_csv(dataset_path)` **Return:** The first 5 rows as a DataFrame.

Assertion	Status	Score	Error
[context setup]	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 39, in run_assertions exec(context_code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 6, in <module> NameError: name 'load_head' is not defined

Question: dataset_shape

**Return:** A tuple like `(rows, columns)`

Assertion	Status	Score	Error
[context setup]	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 39, in run_assertions exec(context_code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 6, in <module> NameError: name 'dataset_shape' is not defined. Did you mean: 'dataset_path'?

Question: column_names

**Return:** A list of column names.

Assertion	Status	Score	Error
[context setup]	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 39, in run_assertions exec(context_code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 6, in <module> NameError: name 'column_names' is not defined

Question: average_of_column

**Example:** If column name is `'Sales'`, return the mean of that column. **Hint:** Use `df[column_name].mean()`

Assertion	Status	Score
assert isinstance(salary_avg, (float, int))	passed	1
assert round(salary_avg, 2) == 9218978.29	passed	1
assert isinstance(weight_avg, (float, int))	passed	1
assert round(weight_avg, 2) == 214.76	passed	1

Question: filter_by_value

**Example:** `filter_by_value(dataset_path, 'Region', 'East')` **Return:** Filtered DataFrame

Assertion	Status	Score
assert isinstance(guards, pd.DataFrame)	passed	1
assert len(guards) > 0	passed	1
assert all(guards['Position'] == 'G')	passed	1
assert list(guards.columns) == ['Name', 'Team', 'Position', 'Height', 'Weight', 'College', 'Salary']	passed	1
assert isinstance(team_result, pd.DataFrame)	passed	1
assert len(team_result) > 0	passed	1
assert all(team_result['Team'] == 'Boston Celtics')	passed	1

student name — student roll number

File: /Volumes/MacSSD/Trash/In class Practice Exam/student_notebook(7).ipynb

Total: 0/27 (0.0%)

Question: check_number

**Return:** A string like `'5 is Positive'`, `'-2 is Negative'`, or `'0 is Zero'`

Assertion	Status	Error
assert check_number(5) == "5 is Positive"	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert check_number(-2) == "-2 is Negative"	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert check_number(0) == "0 is Zero"	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError

Question: sum_1_to_n

**Example:** Input `5` → `15` **Return:** Integer sum of all numbers from 1 to n.

Assertion	Status	Score	Error
assert sum_1_to_n(5) == 15	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert sum_1_to_n(10) == 55	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError

Question: count_letter

**Example:** Input `('banana', 'a')` → `3` **Return:** The count of that letter in the word.

Assertion	Status	Score	Error
assert count_letter("banana", "a") == 3	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert count_letter("apple", "p") == 2	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError

Question: even_numbers_1_to_10

**Return:** `[2, 4, 6, 8, 10]`

Assertion	Status	Score	Error
assert even_numbers_1_to_10() == [2, 4, 6, 8, 10]	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError

Question: average_of_three

**Example:** Input `(4, 8, 10)` → `7.3333...` **Return:** Arithmetic mean of the three numbers.

Assertion	Status	Score	Error
assert round(average_of_three(4, 8, 10), 2) == 7.33	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: type NoneType doesn't define __round__ method
assert average_of_three(3, 3, 3) == 3	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError

Question: load_head

**Hint:** Use `pd.read_csv(dataset_path)` **Return:** The first 5 rows as a DataFrame.

Assertion	Status	Error
assert isinstance(result, pd.DataFrame)	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert len(result) == 5	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: object of type 'NoneType' has no len()
assert list(result.columns) == ['Name', 'Team', 'Position', 'Height', 'Weight', 'College', 'Salary']	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AttributeError: 'NoneType' object has no attribute 'columns'
assert list(result.index) == [0, 1, 2, 3, 4]	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AttributeError: 'NoneType' object has no attribute 'index'

Question: dataset_shape

**Return:** A tuple like `(rows, columns)`

Assertion	Status	Error
assert isinstance(result, tuple)	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert len(result) == 2	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: object of type 'NoneType' has no len()
assert result[0] > 0	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: 'NoneType' object is not subscriptable
assert result[1] == 7	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: 'NoneType' object is not subscriptable
assert result == (592, 7)	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError

Question: column_names

**Return:** A list of column names.

Assertion	Status	Error
assert isinstance(result, list)	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert result == ['Name', 'Team', 'Position', 'Height', 'Weight', 'College', 'Salary']	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert len(result) == 7	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: object of type 'NoneType' has no len()

Question: average_of_column

**Example:** If column name is `'Sales'`, return the mean of that column. **Hint:** Use `df[column_name].mean()`

Assertion	Status	Error
assert isinstance(salary_avg, (float, int))	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert round(salary_avg, 2) == 9218978.29	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: type NoneType doesn't define __round__ method
assert isinstance(weight_avg, (float, int))	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert round(weight_avg, 2) == 214.76	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: type NoneType doesn't define __round__ method

Question: filter_by_value

**Example:** `filter_by_value(dataset_path, 'Region', 'East')` **Return:** Filtered DataFrame

Assertion	Status	Score	Error
[context setup]	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 39, in run_assertions exec(context_code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 7, in <module> TypeError: object of type 'NoneType' has no len()

student name — student roll number

File: /Volumes/MacSSD/Trash/In class Practice Exam/student_notebook(8).ipynb

Total: 0/27 (0.0%)

Question: check_number

**Return:** A string like `'5 is Positive'`, `'-2 is Negative'`, or `'0 is Zero'`

Assertion	Status	Error
assert check_number(5) == "5 is Positive"	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert check_number(-2) == "-2 is Negative"	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert check_number(0) == "0 is Zero"	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError

Question: sum_1_to_n

**Example:** Input `5` → `15` **Return:** Integer sum of all numbers from 1 to n.

Assertion	Status	Score	Error
assert sum_1_to_n(5) == 15	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert sum_1_to_n(10) == 55	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError

Question: count_letter

**Example:** Input `('banana', 'a')` → `3` **Return:** The count of that letter in the word.

Assertion	Status	Score	Error
assert count_letter("banana", "a") == 3	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert count_letter("apple", "p") == 2	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError

Question: even_numbers_1_to_10

**Return:** `[2, 4, 6, 8, 10]`

Assertion	Status	Score	Error
assert even_numbers_1_to_10() == [2, 4, 6, 8, 10]	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError

Question: average_of_three

**Example:** Input `(4, 8, 10)` → `7.3333...` **Return:** Arithmetic mean of the three numbers.

Assertion	Status	Score	Error
assert round(average_of_three(4, 8, 10), 2) == 7.33	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: type NoneType doesn't define __round__ method
assert average_of_three(3, 3, 3) == 3	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError

Question: load_head

**Hint:** Use `pd.read_csv(dataset_path)` **Return:** The first 5 rows as a DataFrame.

Assertion	Status	Error
assert isinstance(result, pd.DataFrame)	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert len(result) == 5	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: object of type 'NoneType' has no len()
assert list(result.columns) == ['Name', 'Team', 'Position', 'Height', 'Weight', 'College', 'Salary']	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AttributeError: 'NoneType' object has no attribute 'columns'
assert list(result.index) == [0, 1, 2, 3, 4]	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AttributeError: 'NoneType' object has no attribute 'index'

Question: dataset_shape

**Return:** A tuple like `(rows, columns)`

Assertion	Status	Error
assert isinstance(result, tuple)	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert len(result) == 2	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: object of type 'NoneType' has no len()
assert result[0] > 0	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: 'NoneType' object is not subscriptable
assert result[1] == 7	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: 'NoneType' object is not subscriptable
assert result == (592, 7)	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError

Question: column_names

**Return:** A list of column names.

Assertion	Status	Error
assert isinstance(result, list)	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert result == ['Name', 'Team', 'Position', 'Height', 'Weight', 'College', 'Salary']	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert len(result) == 7	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: object of type 'NoneType' has no len()

Question: average_of_column

**Example:** If column name is `'Sales'`, return the mean of that column. **Hint:** Use `df[column_name].mean()`

Assertion	Status	Error
assert isinstance(salary_avg, (float, int))	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert round(salary_avg, 2) == 9218978.29	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: type NoneType doesn't define __round__ method
assert isinstance(weight_avg, (float, int))	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert round(weight_avg, 2) == 214.76	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: type NoneType doesn't define __round__ method

Question: filter_by_value

**Example:** `filter_by_value(dataset_path, 'Region', 'East')` **Return:** Filtered DataFrame

Assertion	Status	Score	Error
[context setup]	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 39, in run_assertions exec(context_code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 7, in <module> TypeError: object of type 'NoneType' has no len()

Chetanye Gulati — 2423365

File: /Volumes/MacSSD/Trash/In class Practice Exam/student_notebook.ipynb

Total: 10/24 (41.67%)

Question: check_number

**Return:** A string like `'5 is Positive'`, `'-2 is Negative'`, or `'0 is Zero'`

Assertion	Status	Score
assert check_number(5) == "5 is Positive"	passed	1
assert check_number(-2) == "-2 is Negative"	passed	1
assert check_number(0) == "0 is Zero"	passed	1

Question: sum_1_to_n

**Example:** Input `5` → `15` **Return:** Integer sum of all numbers from 1 to n.

Assertion	Status	Score	Error
assert sum_1_to_n(5) == 15	passed	1
assert sum_1_to_n(10) == 55	passed	1

Question: count_letter

**Example:** Input `('banana', 'a')` → `3` **Return:** The count of that letter in the word.

Assertion	Status	Score	Error
assert count_letter("banana", "a") == 3	passed	1
assert count_letter("apple", "p") == 2	passed	1

Question: even_numbers_1_to_10

**Return:** `[2, 4, 6, 8, 10]`

Assertion	Status	Score	Error
assert even_numbers_1_to_10() == [2, 4, 6, 8, 10]	passed	1

Question: average_of_three

**Example:** Input `(4, 8, 10)` → `7.3333...` **Return:** Arithmetic mean of the three numbers.

Assertion	Status	Score	Error
assert round(average_of_three(4, 8, 10), 2) == 7.33	passed	1
assert average_of_three(3, 3, 3) == 3	passed	1

Question: load_head

**Hint:** Use `pd.read_csv(dataset_path)` **Return:** The first 5 rows as a DataFrame.

Assertion	Status	Score	Error
[context setup]	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 39, in run_assertions exec(context_code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 6, in <module> File "<string>", line 4, in load_head File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/.venv/lib/python3.13/site-packages/pandas/io/parsers/readers.py", line 1026, in read_csv return _read(filepath_or_buffer, kwds) File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/.venv/lib/python3.13/site-packages/pandas/io/parsers/readers.py", line 620, in _read parser = TextFileReader(filepath_or_buffer, **kwds) File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/.venv/lib/python3.13/site-packages/pandas/io/parsers/readers.py", line 1620, in __init__ self._engine = self._make_engine(f, self.engine) ~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^ File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/.venv/lib/python3.13/site-packages/pandas/io/parsers/readers.py", line 1880, in _make_engine self.handles = get_handle( ~~~~~~~~~~^ f, ^^ ...<6 lines>... storage_options=self.options.get("storage_options", None), ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ) ^ File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/.venv/lib/python3.13/site-packages/pandas/io/common.py", line 873, in get_handle handle = open( handle, ...<3 lines>... newline="", ) FileNotFoundError: [Errno 2] No such file or directory: '/Users/chetanyegulati2612/Downloads/CHETANYE GULATI 2423365 - nba - CHETANYE GULATI 2423365 - nba.csv'

Question: dataset_shape

**Return:** A tuple like `(rows, columns)`

Assertion	Status	Error
assert isinstance(result, tuple)	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert len(result) == 2	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: object of type 'NoneType' has no len()
assert result[0] > 0	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: 'NoneType' object is not subscriptable
assert result[1] == 7	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: 'NoneType' object is not subscriptable
assert result == (592, 7)	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError

Question: column_names

**Return:** A list of column names.

Assertion	Status	Error
assert isinstance(result, list)	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert result == ['Name', 'Team', 'Position', 'Height', 'Weight', 'College', 'Salary']	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert len(result) == 7	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: object of type 'NoneType' has no len()

Question: average_of_column

**Example:** If column name is `'Sales'`, return the mean of that column. **Hint:** Use `df[column_name].mean()`

Assertion	Status	Error
assert isinstance(salary_avg, (float, int))	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert round(salary_avg, 2) == 9218978.29	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: type NoneType doesn't define __round__ method
assert isinstance(weight_avg, (float, int))	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> AssertionError
assert round(weight_avg, 2) == 214.76	failed	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> TypeError: type NoneType doesn't define __round__ method

Question: filter_by_value

**Example:** `filter_by_value(dataset_path, 'Region', 'East')` **Return:** Filtered DataFrame

Assertion	Status	Score	Error
[context setup]	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 39, in run_assertions exec(context_code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 7, in <module> TypeError: object of type 'NoneType' has no len()

Lalit Mohan Kumar — 2423375

File: /Volumes/MacSSD/Trash/In class Practice Exam/student_notebook_solved.ipynb

Total: 23/27 (85.19%)

Question: check_number

**Return:** A string like `'5 is Positive'`, `'-2 is Negative'`, or `'0 is Zero'`

Assertion	Status	Score
assert check_number(5) == "5 is Positive"	passed	1
assert check_number(-2) == "-2 is Negative"	passed	1
assert check_number(0) == "0 is Zero"	passed	1

Question: sum_1_to_n

**Example:** Input `5` → `15` **Return:** Integer sum of all numbers from 1 to n.

Assertion	Status	Score	Error
assert sum_1_to_n(5) == 15	passed	1
assert sum_1_to_n(10) == 55	passed	1

Question: count_letter

**Example:** Input `('banana', 'a')` → `3` **Return:** The count of that letter in the word.

Assertion	Status	Score	Error
assert count_letter("banana", "a") == 3	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> File "<string>", line 5, in count_letter UnboundLocalError: cannot access local variable 'count' where it is not associated with a value
assert count_letter("apple", "p") == 2	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 55, in run_assertions exec(code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 1, in <module> File "<string>", line 5, in count_letter UnboundLocalError: cannot access local variable 'count' where it is not associated with a value

Question: even_numbers_1_to_10

**Return:** `[2, 4, 6, 8, 10]`

Assertion	Status	Score	Error
assert even_numbers_1_to_10() == [2, 4, 6, 8, 10]	passed	1

Question: average_of_three

**Example:** Input `(4, 8, 10)` → `7.3333...` **Return:** Arithmetic mean of the three numbers.

Assertion	Status	Score	Error
assert round(average_of_three(4, 8, 10), 2) == 7.33	passed	1
assert average_of_three(3, 3, 3) == 3	passed	1

Question: load_head

**Hint:** Use `pd.read_csv(dataset_path)` **Return:** The first 5 rows as a DataFrame.

Assertion	Status	Score
assert isinstance(result, pd.DataFrame)	passed	1
assert len(result) == 5	passed	1
assert list(result.columns) == ['Name', 'Team', 'Position', 'Height', 'Weight', 'College', 'Salary']	passed	1
assert list(result.index) == [0, 1, 2, 3, 4]	passed	1

Question: dataset_shape

**Return:** A tuple like `(rows, columns)`

Assertion	Status	Score	Error
[context setup]	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 39, in run_assertions exec(context_code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 6, in <module> NameError: name 'dataset_shape' is not defined. Did you mean: 'dataset_path'?

Question: column_names

**Return:** A list of column names.

Assertion	Status	Score	Error
[context setup]	failed	0	Traceback (most recent call last): File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/src/evaluator/comparison/comparison_service.py", line 39, in run_assertions exec(context_code, student_namespace) ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "<string>", line 6, in <module> File "<string>", line 2, in column_names File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/.venv/lib/python3.13/site-packages/pandas/io/parsers/readers.py", line 1026, in read_csv return _read(filepath_or_buffer, kwds) File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/.venv/lib/python3.13/site-packages/pandas/io/parsers/readers.py", line 620, in _read parser = TextFileReader(filepath_or_buffer, **kwds) File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/.venv/lib/python3.13/site-packages/pandas/io/parsers/readers.py", line 1620, in __init__ self._engine = self._make_engine(f, self.engine) ~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^ File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/.venv/lib/python3.13/site-packages/pandas/io/parsers/readers.py", line 1880, in _make_engine self.handles = get_handle( ~~~~~~~~~~^ f, ^^ ...<6 lines>... storage_options=self.options.get("storage_options", None), ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ) ^ File "/Volumes/MacSSD/Areas/Github_Repositories/evaluator/.venv/lib/python3.13/site-packages/pandas/io/common.py", line 873, in get_handle handle = open( handle, ...<3 lines>... newline="", ) FileNotFoundError: [Errno 2] No such file or directory: '/Users/apple/Downloads/LALIT MOHAN KUMAR 2423375 - nba.csv'

Question: average_of_column

**Example:** If column name is `'Sales'`, return the mean of that column. **Hint:** Use `df[column_name].mean()`

Assertion	Status	Score
assert isinstance(salary_avg, (float, int))	passed	1
assert round(salary_avg, 2) == 9218978.29	passed	1
assert isinstance(weight_avg, (float, int))	passed	1
assert round(weight_avg, 2) == 214.76	passed	1

Question: filter_by_value

**Example:** `filter_by_value(dataset_path, 'Region', 'East')` **Return:** Filtered DataFrame

Assertion	Status	Score
assert isinstance(guards, pd.DataFrame)	passed	1
assert len(guards) > 0	passed	1
assert all(guards['Position'] == 'G')	passed	1
assert list(guards.columns) == ['Name', 'Team', 'Position', 'Height', 'Weight', 'College', 'Salary']	passed	1
assert isinstance(team_result, pd.DataFrame)	passed	1
assert len(team_result) > 0	passed	1
assert all(team_result['Team'] == 'Boston Celtics')	passed	1