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Fri Feb 17 12:02:05 CET 2006 · https://mail.python.org/pipermail/python-dev/2006-February/061207.html

Martin v. Löwis wrote:
> Guido van Rossum wrote:
>   
>> Feedback?
>>     
>
> I would like this to be part of the standard dictionary type,
> rather than being a subtype.
>
> d.setdefault([]) (one argument) should install a default value,
> and d.cleardefault() should remove that setting; d.default
> should be read-only. Alternatively, d.default could be assignable
> and del-able.
>
> Also, I think has_key/in should return True if there is a default.
>
>   
And exactly what use would it then be ?

Michael Foord

> Regards,
> Martin
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[Python-Dev] Proposal: defaultdict