code: def main(args):
      # Invoke subcommand.
      if args.command == "train":
          train(args)
      elif args.command == "compress":
          if not args.output_file:
              args.output_file = args.input_file + ".tfci"
          compress(args)
      elif args.command == "decompress":
          if not args.output_file:
              args.output_file = args.input_file + ".png"
          decompress(args)
  
imports: import argparse
  import glob
  import sys
  from absl import app
  from absl.flags import argparse_flags
  import tensorflow
  import tensorflow_compression
  import tensorflow_datasets
label_desc: Use image node_id 11 for calling a global function with example usage: main(args) without return types