"Martin v. Löwis" writes:
> > res.get() would be a fairly obvious way to do it. Enough that I would
> > probably never have gone searching for any of the other answers. Though
> > personally, I think I would call it "set.peek()", but the specific name
> > doesn't really matter to me.
>
> Somebody proposed to call it .any(); this I like best (except that one
> might expect that any takes a predicate as the argument).
Why not allow that?
def any(self, predicate=lambda x: True, default=None)
for a in self:
if predicate(a):
break
else:
return default
return a
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