How to setup environment variables for `flask run` on Windows?

Question

I just started learning flask and I am stuck at setting up the Flask environment variables. I don\'t know how to setup the environment variables. Whenever I use the flask

Answer 1

The similar error was appearing when I was trying to run the application. I have to change the path. I changed directory to the folder where hello.py was saved.

(venv) C:\Users\win10\flask-tutorial\myproject>cd venv
(venv) C:\Users\win10\flask-tutorial\myproject\venv>set FLASK_APP=hello.py
(venv) C:\Users\win10\flask-tutorial\myproject\venv>flask run