ty: An extremely fast Python type checker and language server
https://astral.sh/blog/ty
TL;DR: ty is an extremely fast Python type checker and language server, written in Rust, and designed as an alternative to tools like mypy, Pyright, and Pylance.
Stevey's Blog Rants: Programming's Dirtiest Little Secret
http://steve-yegge.blogspot.com/2008/09/programmings-dirtiest-little-secret.html
"Next dead-giveaway: non-typist code is... minimalist. They don't go the extra mile to comment things. If their typing skills are really bad, they may opt to comment the code in a second, optional pass. And the ones who essentially type with their elbows? They even sacrifice formatting, which is truly the most horrible sin a programmer can commit. Well, actually, no, scratch that. It's the second worst. The worst is misspelling an identifier, and then not fixing it because it's too much typing. But shotgun formatting is Right Up There."
How To Type With One Hand - About One Hand Typing, Keyboarding and Keyboards
http://www.aboutonehandtyping.com/howto.html
"There is more MUCH more on this page about HOW TO type with one hand."