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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 _set_log_callback(self):
 """Sets a callback that logs the events """

        logger.debug("setting up event logger")

        def log_callback(event):
            logger.info("callback event: " + self.event_text(event))

        self.set_events_callback(log_callback)