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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 start(self):
 """ This function starts the brokers interaction with the kafka stream """

        self.loop.run_until_complete(self._consumer.start())
        self.loop.run_until_complete(self._producer.start())
        self._consumer_task = self.loop.create_task(self._consume_event_callback())