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

    > set FLASK_APP=Your_file_name.py
    > set FLASK_ENV=development
    > flask run

it must be work for windows user only