Steven D'Aprano writes:
> Jussi Piitulainen wrote:
>
> > Would you also want sorted called something else when used with a
> > key? Because it doesn't produce a sorted list of the keys either:
> >
> > >>> data = ("short", "long", "average")
> > >>> sorted(data, key=len)
> > ['long', 'short', 'average']
> > >>> max(data, key=len)
> > 'average'
>
> I agree with the point you are making, but I disagree with the
> wording you use. The result of calling sort() with key=len *is*
> sorted. It is sorted by length of the word.
It's sorted but it's not a list of the keys. That seemed to be a point
of contention about naming max-with-key max: it doesn't return a key.
> Same for calling max() with a key. The result is still the maximum
> value. The difference is how you decide which of two elements is
> greater:
>
> max(list_of_foods, key=calories)
> max(list_of_foods, key=weight)
> max(list_of_foods, key=cost)
>
> That is three different ways to decide which is the maximal food in
> the list: by number of calories, by weight, or by cost.
Yes. I don't see any disagreement between us.
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