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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 push_updates(self):
 """Listen for push updates."""

        print('Press ENTER to stop')

        self.atv.push_updater.start()
        await self.atv.login()
        await self.loop.run_in_executor(None, sys.stdin.readline)
        self.atv.push_updater.stop()
        return 0