code: def _get_key(folder):
      folder_key_mapping = {
          "Audio": "utterances",
          "dev_queries": "dev",
          "eval_queries": "eval",
      }
      return folder_key_mapping[folder]
  
imports: import os
  from collections import defaultdict
  from pathlib import Path
  from parameterized import parameterized
  from torchaudio.datasets import quesst14
  from torchaudio_unittest.common_utils import get_whitenoise, save_wav, TempDirMixin, TorchaudioTestCase
label_desc: Use image node_id 2 for calling a global function with example usage: _get_key(folder) and returns: folder_key_mapping