code: def main():
      if args.dump_sysinfo:
          filename = launch_utils.dump_sysinfo()
  
          print(f"Sysinfo saved as {filename}. Exiting...")
  
          exit(0)
  
      launch_utils.startup_timer.record("initial startup")
  
      with launch_utils.startup_timer.subcategory(
          "prepare environment"
      ):
          if not args.skip_prepare_environment:
              prepare_environment()
  
      if args.test_server:
          configure_for_tests()
  
      start()
  
label_desc: Use image node_id 1 for calling a global function with example usage: main() without return types