In this video we look at setting up a virtual environment (venv) in Visual Studio Code that already has a python extension in place. Then we activate that venv (with a PowerShell script -- after giving ourselves permission to run such a script). Then in that venv we install Flask, flask-wtf, and sqlalchemy. Relevant commands include
python -m venv venv
Set-ExecutionPolicy -Scope CurrentUser RemoteSigned (in PowerShell ISE)
Scripts/activate
cd venv
pip install Flask
pip install flask-wtf
pip install SQLAlchemy
python
import sqlalchemy
sqlalchemy.__version__
exit()