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 vote117 views1 answer
Flask current_app config
Python Flask
-1 vote175 views1 answer
Flask run on ip and port
Python Flask
5 votes191 views1 answer
Flask boiler plate
Python Flask
1 vote167 views1 answer
Requirements.py for flask
Python Flask
1 vote180 views2 answers
Selenium text value is empty in flask returns
Python Flask
4 votes171 views3 answers
How to change port in flask app
Python Flask
12 votes255 views4 answers
Flask debug
Python Flask
3 votes160 views1 answer
Default argument in flask route
Python Flask
5 votes183 views3 answers
Flask port
Python Flask
0 vote265 views1 answer
Import flask session
Python Flask