Simple example of Flask framework in python

This article mainly introduces a simple Getting started example of the Flask framework in python, and analyzes the usage skills of the Flask framework with a hello program, for more information about how to use the Flask framework in python, see the following example. Share it with you for your reference. The details are as follows:

Use the simple example code of the Flask framework. if you are learning the Flask framework, you can refer to the following startup code. this code can output "hello world" on the webpage"

Import OS # Using Flask since Python doesn't have built-in session managementfrom flask import Flask, sessionapp = Flask (_ name _) # Generate a secret random key for the sessionapp. secret_key = OS. urandom (24) @ app. route ('/') def index (): return "Hello world" if _ name _ = '_ main _': app. run (host = "0.0.0.0", port = int ("80 "))

I hope this article will help you with Python programming.