code: def main(_):
      train_and_eval()
  
file_path: ranking/tensorflow_ranking/examples/keras/keras_dnn_tfrecord.py
imports: from typing import Dict, Tuple
  from absl import app
  from absl import flags
  import tensorflow
  import tensorflow_ranking
label_desc: Use image node_id 3 for calling a global function with example usage: main(_) without return types