I am programming for 30+ years and I am still doing this. As mentioned in the article it's a good way to memorize stuff, but it also acts as a checklist: As I r

I am programming for 30+ years and I am still doing this. As mentioned in the article it's a good way to memorize stuff, but it also acts as a checklist: As I re-type each line I make sure I understand what exactly it is doing and whether that's what I want it to do. It's a good way to reduce bug count IMO.