Python interpreter bug
Steve Holden
steve at holdenweb.com
Fri Oct 7 15:53:45 EDT 2005
alainpoint at yahoo.fr wrote:
>>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.
Which is exactly the wrong way round.
> 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
>
It's not worth bothering - just work with Python how it is, and enjoy
the language!
regards
Steve
--
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