> Explains scopes. Highlighting variable occurrences reminds you that the same name doesn't always mean the same variable and helps spotting typos. Local variables are visually distinguished from globals.

That'd be a good feature in any IDE.

Yep, I agree with Thonny. It comes with Raspbien as well.

Another beginner option which is quite similar to Thonny is Mu. https://codewith.mu