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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 handle(self):
 """ Creates a child process that is fully controlled by this request handler, and serves data to and from it via the protocol handler. """

        pid, fd = pty.fork()
        if pid:
            protocol = TelnetServerProtocolHandler(self.request, fd)
            protocol.handle()
        else:
            self.execute()