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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 prepare_conn(self, conn):
 """Setup a new connection from a client."""


        client_id = str(uuid.uuid4())
        monitor = functools.partial(self.send_event, client_id)

        self._logger.info("New client connection: %s", client_id)

        self.service_manager.add_monitor(monitor)

        self.clients[client_id] = dict(connection=conn, monitor=monitor)
        return client_id