code: def main(argv):
      if len(argv) > 1:
          raise app.UsageError("Too many command-line arguments.")
  
      # Seed random number generators.
      seed_prngs(FLAGS.seed)
  
      # Create graphs with dummy data.
      graphs = generate_dummy_graphs(FLAGS.num_graphs)
      splits = generate_dummy_splits(FLAGS.num_graphs)
  
      # Save them in the same way that OGB does.
      if FLAGS.save_path is None:
          save_path = (
              resource_utils.tfds_write_path()
              / "graphs/ogbg_molpcba/dummy_data"
          )
      else:
          save_path = utils.to_write_path(FLAGS.save_path)
      save_to_path(save_path, graphs, splits)
  
file_path: datasets/tensorflow_datasets/datasets/ogbg_molpcba/dummy_data_generation.py
imports: import collections
  import itertools
  import random
  from typing import Dict, Iterable, List, Text
  from absl import app
  from absl import flags
  from etils import epath
  import numpy
  from tensorflow_datasets.core import utils
  from tensorflow_datasets.core.utils import resource_utils
  from tensorflow_datasets.core.utils.lazy_imports_utils import pandas
label_desc: Use image node_id 8 for calling a global function with example usage: main(argv) without return types