code: def run():
      """Run command."""
      parser = mne.commands.utils.get_optparser(
          __file__, usage="mne show_info <file>"
      )
      options, args = parser.parse_args()
      if len(args) != 1:
          parser.print_help()
          sys.exit(1)
  
      fname = args[0]
  
      if not fname.endswith(".fif"):
          raise ValueError(
              "%s does not seem to be a .fif file." % fname
          )
  
      info = mne.io.read_info(fname)
      print("File : %s" % fname)
      print(info)
  
label_desc: Use image node_id 1 for calling a global function with example usage: run() without return types