The future of Python immutability

Simon Brunning simon at
Mon Sep 7 10:09:29 CEST 2009

2009/9/7 Terry Reedy <tjreedy at>:
> Dennis Lee Bieber wrote:
>> I'd say the
>> mutables are in the majority <G>
> I think it depends on whether one counts classes or instances. Typical programs have a lot of numbers and strings.

Ah, but immutable instances can be, and often are, interned. This will
cut down on their number considerably. ;-)

Simon B.

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