code: def mnist_dir(name):
      return os.path.join(examples_dir(), name)
  
file_path: datasets/tensorflow_datasets/testing/fake_data_generation/mnist.py
imports: import os
  from absl import app
  from absl import flags
  import numpy
  from tensorflow_datasets.core import utils
  from tensorflow_datasets.core.utils.lazy_imports_utils import tensorflow
  from tensorflow_datasets.testing import test_utils
label_desc: Use image node_id 2 for calling a global function with example usage: mnist_dir(name) and returns: os