code: def main(args: Sequence[str] = None) -> int:
      
  
      logging.basicConfig(
          level=logging.INFO,
          format='%(asctime)-15s | %(levelname)-8s | %(message)s',
          datefmt='%Y-%m-%d %H:%M:%S')
      logging.getLogger('von_anchor').setLevel(logging.WARNING)
      logging.getLogger('indy').setLevel(logging.ERROR)
  
      if args is None:
          args = sys.argv[1:]
  
      if len(sys.argv) == 2:
          try:
              return do_wait(setnym(sys.argv[1]))
          except VonAnchorError as vax:
              print(str(vax))
              return 1
      else:
          usage()
          return 1
docs: Main line for script: check arguments and dispatch operation to set nym.
  
      :param args: command-line arguments
      :return: 0 for OK, 1 for failure