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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def copy_func(func: Callable) -> Callable: """Returns a copy of a function. :param func: The function to copy. :returns: The copied function. """

    copied = types.FunctionType(
        func.__code__, func.__globals__, name=func.__name__,
        argdefs=func.__defaults__, closure=func.__closure__)
    copied = functools.update_wrapper(copied, func)
    copied.__kwdefaults__ = func.__kwdefaults__
    return copied