I was going to include the link to the Verge article but I got an error message when posting and I thought it hadn’t gone through. Apologies!

https://www.theverge.com/2023/8/22/23841167/microsoft-excel-python-integration-support

Pretty sure LibreOffice has had Python capability for quite some time and which doesn’t run in the cloud.

Willing to bet that the dialects are sufficiently different as to be not cross compatible though, and Microsoft will no doubt have some kind of marketing / FUD about why theirs is superior. Unless you’re working offline, I suppose. “But why would you ever want to do that?!??!!??!”