code: def main(argv):
      if len(argv) != 3:
          print("Length of argv was not 3: ", argv)
          sys.exit(-1)
  
      if argv[1] != "--passthrough":
          print("--passthrough argument not in argv")
          sys.exit(-1)
  
      if argv[2] != "extra":
          print("'extra' argument not in argv")
          sys.exit(-1)
  
imports: import sys
  from tensorflow.python.platform import app
  from tensorflow.python.platform import flags
label_desc: Use image node_id 1 for calling a global function with example usage: main(argv) without return types