Env. Variables not set while running Minimal Flask application

Question

I am trying to follow the flask documentation on my windows machine given at the following link: http://flask.pocoo.org/docs/0.11/quickstart/#debug-mode

Firstly I wrote

Answer 1

I faced the same issue while using PowerShell and that fix worked for me:
instead of using set FLASK_APP = run.py, try $env:FLASK_APP = "run.py"