esoteric question about dict keys

Greg Ewing greg at
Thu Aug 26 05:05:14 CEST 2004

> In article <mailman.2023.1092997148.5135.python-list at>,
> Alexis Roda <alexis.roda at> wrote:
>> If I write my own dictionary-like
>> object, on wich the mutability of the keys is not a technical issue, is
>> considered blasphemous the use of dicts as keys?

No, not at all. If the algorithm you use for looking
up your mapping doesn't have any problem with mutability,
then using a dict (or indeed any comparable object)
as a key is fine.

Greg Ewing, Computer Science Dept,
University of Canterbury,	
Christchurch, New Zealand

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