py001

   pip install requests -i https://pypi.tuna.tsinghua.edu.cn/simple

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from flask import Flask
app= Flask(__name__)

@app.route("/")
def hello():
    return "flask"
if __name__ ==  "__main__":
    app.run()

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import tornado.ioloop
import tornado.web

class MainHandler(tornado.web.RequestHandler):
    def get(self):
        self.write("tornado")
def make_app():
    return tornado.web.Application([(r"/",MainHandler),])
if __name__ ==  "__main__":
    app=make_app()
    app.listen(8888)
    tornado.ioloop.IOLoop.current().start()