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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 _send(self, msg):
 """ Raw send to the given connection ID at the given uuid, mostly used internally. """

        uuid = self.m2req.sender
        conn_id = self.m2req.conn_id

        header = "%s %d:%s," % (uuid, len(str(conn_id)), str(conn_id))
        zmq_message = header + ' ' + msg
        self.stream.send(zmq_message)