code: def main(argv):
      if len(argv) > 1:
          raise app.UsageError("Too many command-line arguments.")
  
      script_dir = os.path.dirname(os.path.realpath(__file__))
      launchpad_dir = os.path.dirname(os.path.dirname(script_dir))
      docker_requirements = os.path.join(script_dir, "requirements.txt")
      docker_config = xm_docker.DockerConfig(
          launchpad_dir, docker_requirements
      )
      resources = {"producer": docker_config, "consumer": docker_config}
  
      program = make_program(num_producers=_NUM_PRODUCERS.value)
      lp.launch(
          program,
          launch_type=lp.LaunchType.VERTEX_AI,
          xm_resources=resources,
      )
  
imports: import os
  from absl import app
  from absl import flags
  import launchpad
  from launchpad.examples.consumer_producers.program import make_program
  from launchpad.nodes.python import xm_docker
label_desc: Use image node_id 1 for calling a global function with example usage: main(argv) without return types