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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 remove_session_id(self, sid):
 """ Remove all references to a specific Session ID :param sid: A Session ID """

        for uid in self.get('sid2uid', sid):
            self.remove('uid2sid', uid, sid)
        self.delete('sid2uid', sid)

        for sub in self.get('sid2sub', sid):
            self.remove('sub2sid', sub, sid)
        self.delete('sid2sub', sid)