Re @MartijnSaly @github We have some docs to get you started! This is about using Jupyter with Python (but there are kernels for many more programming languages, including C#/F# and JS/TS):
https://code.visualstudio.com/docs/datascience/jupyter-notebooks?WT.mc_id=devcloud-00000-cxa

https://twitter.com/code/status/1413527276902256643