lol where are these people back then when Facebook released the APIs? I bet even if they were asked to give consent, they would not be able to foresee what's happening today.
I am not a native speaker but I think "done" or "finished" is better. "else" is a counterpart of "break". It assumes people must think of "break" whenever they see a "for", which is not always the case. We refer to this weirdness as Pythonic.
He showed how to express complicated business logic in Python in a simple and elegant way.