code: def configure_logging(self, verbosity_lvl=None, format='%(message)s'):
          
          if not verbosity_lvl:
              verbosity_lvl = logging.INFO
          logging.basicConfig(format=format)
          self.logger.setLevel(verbosity_lvl)
docs: Switches on logging at a given level.
  
          :param verbosity_lvl:
          :param format: