# Python
__pycache__/
*.py[cod]
*$py.class
*.so
.Python
env/
venv/
.venv/
*.egg-info/
dist/
build/

# Data - NEVER commit any data files
data/
docs/
scripts/
*.csv
*.txt
*.dat
*.parquet
*.feather
*.json
*.xml
*.sas
*.pdf
*.rtf

# Documentation/instruction files
development-guidelines.md
CLAUDE.md
claude.md
ncdb_instructions.md

# Results and outputs
results/
outputs/
figures/
*.log

# Environment
.env
.DS_Store

# IDE
.vscode/
.idea/
*.swp
*.swo

# Jupyter
.ipynb_checkpoints
*.ipynb

# Testing
.pytest_cache/
.coverage
htmlcov/