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

1 vote158 views1 answer
Flask blueprints
Python Flask
1 vote166 views1 answer
Flask sending post request
Python Flask
9 votes207 views2 answers
Flask flash
Python Flask
0 vote188 views1 answer
Flask read form data
Python Flask
0 vote165 views1 answer
Flask windows auto reload
Python Flask
0 vote158 views1 answer
Flask minimal install
Python Flask
2 votes164 views1 answer
Flask for loops
Python Flask
2 votes156 views1 answer
How to redirect in flask to the same page
Python Flask
15 votes251 views6 answers
Install flask
Python Flask
0 vote166 views1 answer
Corona data with python flask get pdf
Python Flask