code: def main(argv):
      if len(argv) > 1:
          raise app.UsageError("Too many command-line arguments.")
  
      train(num_steps=100000)
  
file_path: jraph/jraph/examples/e_voting.py
imports: import collections
  import logging
  import random
  from absl import app
  import haiku
  import jax
  import jax.numpy
  import jraph
  import numpy
  import optax
label_desc: Use image node_id 4 for calling a global function with example usage: main(argv) without return types