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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 ping(self):
 """ send ping packet to tarantool server and receive response with empty body """

        d = self.replyQueue.get_ping()
        packet = RequestPing(self.charset, self.errors)
        self.transport.write(bytes(packet))
        return d.addCallback(self.handle_reply, self.charset, self.errors, None)