<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def close(self):
 """Unsubscribe the group and all jobs being listened too"""

        for channel in self._listening_to:
            self.toredis.unsubscribe(channel)
        self.toredis.unsubscribe(self.group_pubsub)