[Alex]
> This is quite general and simple at the same time: for example, it
> was proposed originally to answer some complaint about any and all
> giving no indication of the count of true/false items:
>
> tally(bool(x) for x in seq)
>
> would give a dict with two entries, counts of true and false items.
FWIW, sum() works nicely for counting true entries:
>>> sum(x%3==0 for x in range(100))
34
Raymond
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