I guess some definitions of "quite simple" can be applied to that code.
Linear, clear, concise.
I did not mean to include yours in the set of "not simple". I wasn't paying much attention by the time I got that far.
will produce nothing for that case
I was viewing the problem as "print the stuff between the bounds", in which case it *should* print nothing for the case with no bound.
But it also shouldn't print anything for a missing trailing bound (while it does), so point made.
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