code: def _get_file_name():
      """Returns file name of audio file."""
      # Example of audio file name: 7_jackson_32.wav
      file_name = str(random.randint(0, 9))
      file_name += "_"
      file_name += random.choice(_LIST_OF_SPEAKERS)
      file_name += "_"
      file_name += str(random.randint(0, 49))
      return file_name
  
file_path: datasets/tensorflow_datasets/datasets/spoken_digit/dummy_data_generation.py
imports: import os
  import random
  from absl import app
  from absl import flags
  from tensorflow_datasets.core import utils
  from tensorflow_datasets.core.utils.lazy_imports_utils import tensorflow
  from tensorflow_datasets.testing import fake_data_utils
label_desc: Use image node_id 2 for calling a global function with example usage: _get_file_name() and returns: file_name