Steven D'Aprano wrote:
> I disagree -- if I ask:
>
> 3.0 in [1.0, 2.0, float('nan'), 3.0]
>
> I should get True, not an exception.
Yes, I don't think anyone would disagree that NaN should compare
unequal to anything that isn't a NaN. Problems only arise when
comparing two NaNs.
--
Greg