code: def main():
      args = parse_args()
      cfg = load_config(args)
  
      launch_job(
          cfg=cfg,
          init_method=args.init_method,
          func=benchmark_data_loading,
      )
  
imports: import slowfast.utils.logging
  from slowfast.utils.benchmark import benchmark_data_loading
  from slowfast.utils.misc import launch_job
  from slowfast.utils.parser import load_config, parse_args
label_desc: Use image node_id 1 for calling a global function with example usage: main() without return types