code: def parse_arguments():
      parser = argparse.ArgumentParser()
      parser.add_argument("-i", "--input", type=str)
      parser.add_argument("-o", "--output", type=str)
      return parser.parse_args()
  
imports: import argparse
  import torch
  from iopath.common.file_io import g_pathmgr
  from vissl.utils.checkpoint import CheckpointItemType, DINOCheckpointUtils
  from vissl.utils.env import setup_path_manager
label_desc: Use image node_id 1 for calling a global function with example usage: parse_arguments() and returns: parser