please help shrink this each_with_index() implementation

[alex23]

Steven D'Aprano <ste... at REMOVE.THIS.cybersource.com.au> wrote:
> Stick around and you might learn something,
> but if you bite every time somebody tries to teach you, you'll soon run
> out of people willing to help you.

The ongoing crowdsourced development by this group of "Victor
Subervi's" project would seem to indicate that this isn't the case. Or
that if it is, that it will be a good handful of months at the very
soonest before it becomes true.