code: def set_verbosity_level(verbosity_level=3, logger=None):
      
  
      logger = LOGGER if logger is None else logger
      if verbosity_level == 0:
          logger.setLevel(logging.CRITICAL)
          logging.disable(logging.ERROR)
      elif verbosity_level == 1:
          logger.setLevel(logging.ERROR)
          logging.disable(logging.WARNING)
      elif verbosity_level == 2:
          logger.setLevel(logging.WARNING)
          logging.disable(logging.INFO)
      elif verbosity_level == 3:
          logger.setLevel(logging.INFO)
          logging.disable(logging.DEBUG)
      elif verbosity_level == 4:
          logger.setLevel(logging.DEBUG)
          logging.disable(logging.NOTSET)
      return True
docs: Defines logging verbosity level.
  
      Available verbosity levels::
  
          0: Critical.
          1: Error.
          2: Warning.
          3: Info.
          4: Debug.
  
      :param verbosity_level: Verbosity level.
      :type verbosity_level: int
      :param logger: Logger to set the verbosity level to.
      :type logger: Logger
      :return: Definition success.
      :rtype: bool