Flask quickstart

Simple flask app

# Extremely simple flask application, will display 'Hello World!' on the screen when you run it
# Access it by running it, then going to whatever port its running on (It'll say which port it's running on).
from flask import Flask
app = Flask(__name__)

@app.route('/')
def hello_world():
    return 'Hello, World!'

if __name__ == '__main__':
    app.run()

Source: flask.palletsprojects.com

Flask how to run app

$ export FLASK_APP=hello.py
$ python -m flask run
 * Running on http://127.0.0.1:5000/

Source: flask.palletsprojects.com

Flask.pocoo.org quickstart

from flask import Flask
app = Flask(__name__)

@app.route('/')
def hello_world():
    return 'Hello, World!'

Source: flask.palletsprojects.com

Flask quickstart

from flask import Flask

app = Flask(__name__)

@app.route("/")
def hello_world():
    return "<p>Hello, World!</p>"

Source: flask.palletsprojects.com

Similar codes

0 vote260 views1 answer
Flask extends two base.html
Python Flask
34 votes381 views6 answers
Flask example
Python Flask
3 votes232 views1 answer
Flask secret key generator
Python Flask
0 vote283 views1 answer
Flask python use specified port
Python Flask
4 votes236 views1 answer
Video streaming flask
Python Flask
0 vote255 views1 answer
Flask put request example
Python Flask
0 vote273 views1 answer
Flask gunicorn get ip
Python Flask
1 vote247 views1 answer
Python how to automatically restart flask sever
Python Flask
5 votes291 views1 answer
Get request body flask
Python Flask
1 vote230 views2 answers
Flask bootstrap
Python Flask