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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:
 async def terminate(self) -> None: """Terminate server if no more connection exists."""

        await asyncio.sleep(config.shutdown_wait)
        # stop server and close loop if no more connection exists
        if not is_connected():
            stop_server(self.application.server)
            self.application.loop.stop()