code: def main(_):
      logging.set_verbosity(logging.INFO)
      tf.enable_v2_behavior()
  
      gin.parse_config_files_and_bindings(
          FLAGS.gin_file, FLAGS.gin_bindings
      )
  
      ppo_clip_train_eval(
          FLAGS.root_dir,
          num_iterations=FLAGS.num_iterations,
          reverb_port=FLAGS.reverb_port,
          eval_interval=FLAGS.eval_interval,
      )
  
file_path: agents/tf_agents/examples/ppo/schulman17/ppo_clip_train_eval.py
imports: import os
  from absl import app
  from absl import flags
  from absl import logging
  import gin
  import tensorflow.compat.v2
  from tf_agents.examples.ppo.schulman17 import train_eval_lib
label_desc: Use image node_id 2 for calling a global function with example usage: main(_) without return types