Function _validate_point

maths/manhattan_distance.py:46–78

>>> _validate_point(None) Traceback (most recent call last): ... ValueError: Missing an input >>> _validate_point([1,"one"]) Traceback (most recent call last): ... TypeError: Expected a list of numbers as input, found str >>> _validate_point(1) Trac

(point: list[float])

def _validate_point(point: list[float]) -> None:
    """
    >>> _validate_point(None)
    Traceback (most recent call last):
         ...
    ValueError: Missing an input
    >>> _validate_point([1,"one"])
    Traceback (most recent call last):
         ...
    TypeError: Expected a list of numbers as input, found str
    >>> _validate_point(1)
    Traceback (most recent call last):
         ...
    TypeError: Expected a list of numbers as input, found int
    >>> _validate_point("not_a_list")
    Traceback (most recent call last):
         ...
    TypeError: Expected a list of numbers as input, found str
    """
    if point:
        if isinstance(point, list):
            for item in point:
                if not isinstance(item, (int, float)):
                    msg = (
                        "Expected a list of numbers as input, found "
                        f"{type(item).__name__}"
                    )
                    raise TypeError(msg)
        else:
            msg = f"Expected a list of numbers as input, found {type(point).__name__}"
            raise TypeError(msg)
    else:
        raise ValueError("Missing an input")


def manhattan_distance_one_liner(point_a: list, point_b: list) -> float: