code: def main():
      
  
      if "--help" in sys.argv or "-h" in sys.argv or len(sys.argv) > 3:
          raise SystemExit(__doc__)
  
      try:
          discordian_calendar(*sys.argv[1:])
      except ValueError as error:
          raise SystemExit("Error: {}".format("\n".join(error.args)))
docs: Command line entry point for dcal.