Python has made using Microsoft Excel much easier than it has ever been, and it isn't very hard to start using it yourself.
If the argument is an expression (formula) it will evaluate it first. I don't do python3, but i imagine the python 2 "print x, y" command corresponds to "python (x,y)" if you want to think of it that ...
Another big drawback: Any modules not written in pure Python can’t run in Wasm unless a Wasm-specific version of that module ...