code: def _configure_root_logger(self):
          
          root_logger = logging.getLogger()
          root_logger.setLevel(logging.DEBUG)
          if self.args.verbose:
              handler = logging.StreamHandler(sys.stdout)
          else:
              handler = logging.handlers.RotatingFileHandler(
                  common.LOG_FILE,
                  maxBytes=common.MAX_LOG_SIZE,
                  backupCount=common.MAX_LOG_COUNT
              )
              handler.setLevel(logging.INFO)
          handler.setFormatter(logging.Formatter(common.LOG_FORMAT))
          root_logger.addHandler(handler)
docs: Initialise logging system