code: def main(unused_argv):
      """From command line."""
      run()
  
imports: from absl import app
  from absl import flags
  from ddsp.training.data_preparation.prepare_tfrecord_lib import prepare_tfrecord
  import tensorflow.compat.v2
label_desc: Use image node_id 2 for calling a global function with example usage: main(unused_argv) without return types