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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 register_logger(self, logger):
 """ Register a new logger. """

        handler = CommandHandler(self)
        handler.setFormatter(CommandFormatter())
        logger.handlers = [handler]
        logger.propagate = False

        output = self.output
        level = logging.WARNING
        if output.is_debug():
            level = logging.DEBUG
        elif output.is_very_verbose() or output.is_verbose():
            level = logging.INFO

        logger.setLevel(level)