aws-iot-events-for-beginners/main.py [191:210]:
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    else:
        logger.info("Exiting: %s", msg_or_exception)

    if not mqtt_connection:
        logger.info("Disconnecting...")
        mqtt_connection.disconnect()
    sys.exit(0)


def exit_handler(_signal, frame):
    """
    Exit sample
    """
    exit_sample(" Key abort")


if __name__ == "__main__":
    signal.signal(signal.SIGINT, exit_handler)

    device_main()
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aws-iot-greengrass-for-beginners/alert/main.py [227:246]:
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    else:
        logger.info("Exiting: %s", msg_or_exception)

    if not mqtt_connection:
        logger.info("Disconnecting...")
        mqtt_connection.disconnect()
    sys.exit(0)


def exit_handler(_signal, frame):
    """
    Exit sample
    """
    exit_sample(" Key abort")


if __name__ == "__main__":
    signal.signal(signal.SIGINT, exit_handler)

    device_main()
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