Python functions using VENV and VS Code

This was started yesterday and not published. The work was lost, and this is an in-progress recreation, with many intermittent saves.

Azure functions should run python from a virtual environment.

 

https://docs.microsoft.com/en-us/azure/python/tutorial-vs-code-serverless-python-01

Creating a new Azure Function from PowerShell

https://docs.microsoft.com/en-us/azure/azure-functions/functions-create-first-function-python#create-and-activate-a-virtual-environment

When code comes from a repository

https://github.com/Azure/azure-functions-core-tools/issues/954