code: def _get_default_logging_level():
      """
      If EVALUATE_VERBOSITY env var is set to one of the valid choices return that as the new default level.
      If it is not - fall back to ``_default_log_level``
      """
      env_level_str = os.getenv("EVALUATE_VERBOSITY", None)
      if env_level_str:
          if env_level_str in log_levels:
              return log_levels[env_level_str]
          else:
              logging.getLogger().warning(
                  f"Unknown option EVALUATE_VERBOSITY={env_level_str}, "
                  f"has to be one of: { ', '.join(log_levels.keys()) }"
              )
      return _default_log_level
  
imports: import logging
  import os
  from logging import CRITICAL
  from logging import DEBUG
  from logging import ERROR
  from logging import FATAL
  from logging import INFO
  from logging import NOTSET
  from logging import WARN
  from logging import WARNING
  from typing import Optional
  from tqdm import auto
label_desc: Use image node_id 1 for calling a global function with example usage: _get_default_logging_level() and returns: _default_log_level, log_levels