Without having a specific goal it's difficult to read code. "Learning how it works" is not precise enough. It's not useless you learn stuff but you have nothin

Without having a specific goal it's difficult to read code. "Learning how it works" is not precise enough. It's not useless you learn stuff but you have nothing obvious to show yourself as an achievement. Rewritring or "deconstructing" the code is helpful to understand it.