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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 listen(self):
 """Listen forever on the zmq.PULL socket."""

        while True:
            message = self.pull.recv()
            logger.debug("received message of length %d" % len(message))
            uuid, message = message[:32], message[32:]
            response = uuid + self.handle(message)
            self.push.send(response)