code: def dispatch(self):
          
          parser = argparse.ArgumentParser(description='Run an Inbox server.')
  
          parser.add_argument('addr', metavar='addr', type=str, help='addr to bind to')
          parser.add_argument('port', metavar='port', type=int, help='port to bind to')
  
          args = parser.parse_args()
  
          self.serve(port=args.port, address=args.addr)
docs: Command-line dispatch.