> Steve Holden wrote:
>Consider:
>>> a = {1:'one'}
>>> b = {2:'two'}
>>> c = {1:'one'}
>>> a is c
False
>>> a in [b, c]
True
>>>
>What would you have Python do differently in these circumstances?
You mean: What i would do i if i was the benevolent dictator ?
I would make a distinction between mutables and immutables. Immutables
would test for equality and mutables would test for identity.
Membership testing for objects is a very common use case which is
totally unrelated to their being sorted according to a key.
I am no expert on languages so i could be wrong. Don't hesitate to
correct me.
Alain
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