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

3 votes337 views1 answer
How to make downloadable file in flask
Python Flask
12 votes392 views6 answers
Python flask
Python Flask
0 vote338 views2 answers
Install socketio flask
Python Flask
0 vote313 views2 answers
Call javascript function flask
Python Flask
0 vote308 views1 answer
Flask template split string
Python Flask
0 vote305 views1 answer
Flask decoding base 64 image
Python Flask
-2 votes344 views1 answer
Jwt authentication python flask
Python Flask
6 votes356 views2 answers
Flask form options
Python Flask
0 vote351 views2 answers
Flask heroku
Python Flask
6 votes392 views4 answers
Flask get with parameters
Python Flask