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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 emit_after(self, event: str) -> Callable: """ Decorator that emits events after the function is completed. :param event: Name of the event. :type event: str :return: Callable .. note: This plainly just calls functions without passing params into the subscribed callables. This is great if you want to do some kind of post processing without the callable requiring information before doing so. """


        def outer(func):
            @wraps(func)
            def wrapper(*args, **kwargs):
                returned = func(*args, **kwargs)
                self.emit(event)
                return returned

            return wrapper

        return outer