Python interpreter bug

[Fredrik Lundh]

alainpoint at yahoo.fr wrote:

> Why is it that a membership test needs to call the __cmp__ method?

because the membership test has to check if the tested item is a member
of the sequence. if it doesn't do that, it's hardly qualifies as a membership
test.  from the reference manual:

    For the list and tuple types, x in y is true if and only if there exists an
    index i such that x == y[i] is true.

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