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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 write_frame(self, channel_id, frame_out):
 """Marshal and write an outgoing pamqp frame to the Socket. :param int channel_id: Channel ID. :param specification.Frame frame_out: Amqp frame. :return: """

        frame_data = pamqp_frame.marshal(frame_out, channel_id)
        self.heartbeat.register_write()
        self._io.write_to_socket(frame_data)