flask minimal app

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

1# Extremely simple flask application, will display 'Hello World!' on the screen when you run it
2# Access it by running it, then going to whatever port its running on (It'll say which port it's running on).
3from flask import Flask
4app = Flask(__name__)
5
6@app.route('/')
7def hello_world():
8    return 'Hello, World!'
9
10if __name__ == '__main__':
11    app.run()

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

1> set FLASK_APP=hello
2> flask run
3