Python Docstring Standards

Applies to: *.py

Write clear and consistent Python docstrings

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Python Docstring Standards

Function Docstrings

Use Google-style docstrings:

python

def calculate_average(numbers: list[float]) -> float:
    """Calculate the average of a list of numbers.
    
    Args:
        numbers: A list of numeric values.
        
    Returns:
        The arithmetic mean of the numbers.
        
    Raises:
        ValueError: If the list is empty.
        
    Example:
        >>> calculate_average([1, 2, 3, 4, 5])
        3.0
    """
    if not numbers:
        raise ValueError("Cannot calculate average of empty list")
    return sum(numbers) / len(numbers)

Class Docstrings

Document the purpose, attributes, and key methods.

Module Docstrings

Include a brief description of the module's purpose at the top of each file.

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