I was writing a lot of rather complex augmented matrices.
Instead of having to manually type them in with all the formatting done by hand I literally gave ChatGPT a python nested list and told it what to subscript, what to bold, etc.
In previous papers I have done this by hand if there's only a few matrices that I need to show, or by writing a script to auto-generate them in whatever format I need if there will be many.
This time I just talked to a chat bot and got it working in minutes.
Then it turns out I made a mistake at the start. The fix was just to tell it what the error was and propagate the changes. It did that flawlessly.