code: def load_config(args, path_to_config=None):
      """
      Given the arguemnts, load and initialize the configs.
      Args:
          args (argument): arguments includes `shard_id`, `num_shards`,
              `init_method`, `cfg_file`, and `opts`.
      """
      # Setup cfg.
      cfg = get_cfg()
      # Load config from cfg.
      if path_to_config is not None:
          cfg.merge_from_file(path_to_config)
      # Load config from command line, overwrite config from opts.
      if args.opts is not None:
          cfg.merge_from_list(args.opts)
  
      # Inherit parameters from args.
      if hasattr(args, "num_shards") and hasattr(args, "shard_id"):
          cfg.NUM_SHARDS = args.num_shards
          cfg.SHARD_ID = args.shard_id
      if hasattr(args, "rng_seed"):
          cfg.RNG_SEED = args.rng_seed
      if hasattr(args, "output_dir"):
          cfg.OUTPUT_DIR = args.output_dir
  
      # Create the checkpoint dir.
      cu.make_checkpoint_dir(cfg.OUTPUT_DIR)
      return cfg
  
imports: import argparse
  import sys
  import slowfast.utils.checkpoint
  from slowfast.config.defaults import get_cfg
label_desc: Use image node_id 2 for calling a global function with example usage: load_config(args, path_to_config) and returns: cfg