Docstrings

1def calculate_area(length, width):
2    """
3    Calculate the area of a rectangle.
4
5    Args:
6        length: The length of the rectangle
7        width: The width of the rectangle
8
9    Returns:
10        The area as length * width
11
12    Raises:
13        ValueError: If length or width is negative
14
15    Examples:
16        >>> calculate_area(3, 4)
17        12
18    """
19    if length < 0 or width < 0:
20        raise ValueError("Dimensions must be positive")
21    return length * width
22
23# Access docstring
24print(calculate_area.__doc__)
25help(calculate_area)