Sets in Python

Chris Mellon arkanes at
Thu Sep 20 19:18:07 CEST 2007

On 9/20/07, OKB (not okblacke) <brenNOSPAMbarn at> wrote:
> Steven D'Aprano wrote:
> > But of course you can't look up the dict by value, only by
> > identity. But that's what you wanted.
>         Actually, if I understand the OP's examples right, he wants to look
> up only by value, not by identity.

He's switched at least twice, as I understand his writing. Currently,
he appears to want to look up by value, copying lists on insertion,
and is ignoring what happens if you mutate the key.

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