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# Source code for mmseg.utils.logger

    import logging

    from mmcv.utils import get_logger

    def get_root_logger(log_file=None, log_level=logging.INFO):
        """Get the root logger.

        The logger will be initialized if it has not been initialized. By default a
        StreamHandler will be added. If `log_file` is specified, a FileHandler will
        also be added. The name of the root logger is the top-level package name,
        e.g., "mmseg".

        Args:
            log_file (str | None): The log filename. If specified, a FileHandler
                will be added to the root logger.
            log_level (int): The root logger level. Note that only the process of
                rank 0 is affected, while other processes will set the level to
                "Error" and be silent most of the time.

        Returns:
            logging.Logger: The root logger.
        """

        logger = get_logger(name='mmseg', log_file=log_file, log_level=log_level)

        return logger