Answered by : puzzled-pelican-959ku8rgwbqx

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

Source : https://flask.palletsprojects.com/en/1.1.x/quickstart/ | Last Update : Fri, 10 Apr 20

Answered by : nk

# I am assuming that you have configured the app name as "app"
if __name__ == "__main__": app.run()

Source : | Last Update : Sat, 26 Sep 20

Answered by : victor-wong

FLASK_DEBUG=1 FLASK_ENV=development flask run

Source : | Last Update : Fri, 22 Jul 22

Answered by : leo-blume

app = Flask(__name__)
if __name__ == "__main__":	app.run()

Source : | Last Update : Sat, 25 Dec 21

Answered by : eager-emu-755t19159eef

from flask import Flask
app = Flask(__name__)

Source : https://code.visualstudio.com/docs/python/tutorial-flask | Last Update : Fri, 05 Aug 22