tornado_hello_world_http_server_port_8888.py

1import asyncio
2import tornado
3
4class MainHandler(tornado.web.RequestHandler):
5    def get(self):
6        self.write("Hello, world")
7
8def make_app():
9    return tornado.web.Application([
10        (r"/", MainHandler),
11    ])
12
13async def main():
14    app = make_app()
15    app.listen(8888)
16    await asyncio.Event().wait()
17
18if __name__ == "__main__":
19    asyncio.run(main())