def _chain(first_func, *funcs) -> Callable:
    """Chains a give number of functions.
    First function receives all args/kwargs. Its result is passed on as an argument
    to the second one and so on and so forth until all function arguments are used.
    The last result is then returned.
    """
    @wraps(first_func)
    def wrapper(*args, **kwargs):
        result = first_func(*args, **kwargs)
        for func in funcs:
            result = func(result)
        return result
    return wrapper
Chains a give number of functions.
    First function receives all args/kwargs. Its result is passed on as an argument
    to the second one and so on and so forth until all function arguments are used.
    The last result is then returned.