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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 append_responder(self, matcher, *args, **kwargs):
 """Add a responder of last resort. Like `.autoresponds`, but instead of adding a responder to the top of the stack, add it to the bottom. This responder will be called if no others match. """

        return self._insert_responder("bottom", matcher, *args, **kwargs)