[Python-Dev] reversed enumerate

2020-04-02 Thread Stephen J. Turnbull
Ilya Kamenshchikov writes: > I needed reversed(enumerate(x: list)) in my code, def reversed_enumerated_list(l): return zip(reversed(range(len(l)), reversed(l)) > and have discovered that it wound't work. I wouldn't have expected it to, because enumerate's result is unbounded. But I'm def

[Python-Dev] reversed enumerate

2020-04-01 Thread Ilya Kamenshchikov
Hi, I needed reversed(enumerate(x: list)) in my code, and have discovered that it wound't work. This is disappointing because operation is well defined. It is also well defined for str type, range, and - in principle, but not yet in practice - on dictionary iterators - keys(), values(), items() as