"in"consistency?

[David C. Ullrich]

In article <iu6dnaRaPaWbFu_VnZ2dnUVZ_qLinZ2d at earthlink.com>,
 Nick Dumas <drakonik at gmail.com> wrote:

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> [1,2] in [1,2,3] checks to see if the list [1,2] is an item in [1,2,3].
> Because the list [1,2,3] only contains the integers 1,2,3, the code
> returns a False. Try "[1,2] in [[1,2],[2,3]]"

Thanks. I understand how it works for lists and why - I was
wondering why it's not the same for strings.

> David C. Ullrich wrote:
> > Luckily I tried it before saying no, that's
> > not how "in" works:
> > 
> >>>> 'ab' in 'abc'
> > True
> >>>> [1,2] in [1,2,3]
> > False
> > 
> > Is there a reason for the inconsistency? I would
> > have thought "in" would check for elements of a
> > sequence, regardless of what sort of sequence it was...
> > 
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-- 
David C. Ullrich