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  Question 6: Simple Arithmetic Calculator
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FULL QUESTION:
Create a simple calculator in Python supporting:
- Addition (+)
- Subtraction (-)
- Multiplication (*)
- Division (/) with error handling for division by zero.

SHORT QUESTION:
Simple arithmetic calculator performing addition, subtraction, multiplication, and division with error handling.

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README & SETUP INSTRUCTIONS:
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# Question 6: Simple Arithmetic Calculator

- Prerequisites: Python 3.x (Standard library only).
- Setup: None.
- How to Run: python question_06.py
- Expected Behavior: Interactive menu for entering two operands and choosing an arithmetic operation.

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SOURCE CODE FILES:
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1. question_06.py
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menu = "\n 1. Addition\n 2. Subtraction\n 3. Multiplication\n 4. Division\n 0. Exit"

print(menu)
choice = int(input("Enter your choice: "))

while choice != 0:
    if choice in (1, 2, 3, 4):
        num1 = int(input("Enter the first number: "))
        num2 = int(input("Enter the second number: "))

        if choice == 1:
            result = num1 + num2
            print(f"{num1} + {num2} = {result}")

        elif choice == 2:
            result = num1 - num2
            print(f"{num1} - {num2} = {result}")

        elif choice == 3:
            result = num1 * num2
            print(f"{num1} * {num2} = {result}")

        elif choice == 4:
            if num2 == 0:
                print("Error: Division by zero is not allowed.")
            else:
                result = num1 / num2
                print(f"{num1} / {num2} = {result}")

    else:
        print("Invalid choice! Please choose a number from 0 to 4.")

    print(menu)
    choice = int(input("Enter your choice: "))

print("Exiting..")
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