import flask

1from flask import Flask
2app = Flask(__name__)
3
4@app.route('/')
5def hello_world():
6    return 'Hello, World!'
7

1python -3 -m venv venv
2

1from flask import Flask
2
3app = Flask(__name__)
4
5@app.route("/")
6def hello():
7    return "Hello, World!"
8