I've often re-implemented long established solutions, just to become intimate with the inner workings. Sort of like taking things apart and trying to put them b

I've often re-implemented long established solutions, just to become intimate with the inner workings. Sort of like taking things apart and trying to put them back together as a child. While I may never use that exact knowledge, I may be able to apply the principles elsewhere. I imagine that is the perceived benefit to a student (of which I was never a very good one).