This was a stupid idea, and is going to be useless with the new match case PEP lol

shitty_switch_equivalent.py

class Switch:
    """A shitty equivalent of the `switch` statement."""

    __slots__ = ("__dictionary", "__otherwise")

    def __init__(self, dictionary, *, otherwise=None):
        if not all(callable(value) for value in dictionary.values()):
            raise TypeError("all values of the dictionary must be callables")

        self.__dictionary = dictionary
        self.__otherwise = otherwise or (lambda: None)

    def __call__(self, value):
        try:
            result = self.__dictionary[value]()
        except KeyError:
            result = self.__otherwise()
        finally:
            return result


def print_aaaa():
    print("AAA")


def print_else():
    print("else lol")


def main(user_input):
    switch = Switch({"a": print_aaaa}, otherwise=print_else)
    switch(user_input.lower())


if __name__ == '__main__':
    main("A")
    main("b")