Payment System on Codio
Copy file to Codio
---> open Codio ---> Right click on Master and Upload ---> drag and drop the file into upload and close
Activate venv
---> On Codio open the terminal ---> type: . venv/bin/activate
Run your code
---> env FLASK_APP=payments FLASK_ENV=development ./venv/bin/flask run --host=0.0.0.0