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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def serv(args):
 """Serve a rueckenwind application"""

    if not args.no_debug:
        tornado.autoreload.start()

    extra = []

    if sys.stdout.isatty():
        # set terminal title
        sys.stdout.write('\x1b]2;rw: {}\x07'.format(' '.join(sys.argv[2:])))

    if args.cfg:
        extra.append(os.path.abspath(args.cfg))

    listen = (int(args.port), args.address)
    ioloop = tornado.ioloop.IOLoop.instance()
    setup_app(app=args.MODULE, extra_configs=extra,
              ioloop=ioloop, listen=listen)
    ioloop.start()