code: def _retrieve_status(experiment: Experiment) -> str:
      """
      Determines the status of an experiment.
  
      Returns
      -------
          "done" if the experiment is complete, otherwise "not done".
      """
      return "done" if experiment.is_done else "not done"
  
file_path: orion/src/orion/serving/experiments_resource.py
imports: import json
  from typing import Optional
  from falcon import Request, Response
  from orion.core.worker.experiment import Experiment
  from orion.core.worker.trial import Trial
  from orion.serving.parameters import retrieve_experiment, verify_query_parameters
  from orion.serving.responses import build_experiment_response, build_experiments_response
label_desc: Use image node_id 2 for calling a global function with example usage: _retrieve_status(experiment) and returns: unknown