code: def _get_database_name():
      if "FIFTYONE_DATABASE_NAME" in os.environ:
          return os.environ["FIFTYONE_DATABASE_NAME"]
  
      config = _load_config()
  
      return config.get("database_name", "fiftyone")
  
imports: import logging
  import json
  import os
label_desc: Use image node_id 3 for calling a global function with example usage: _get_database_name() and returns: config, os