dict's as dict's key.

Lie Ryan lie.1296 at gmail.com
Sat Jan 16 08:23:46 CET 2010

On 01/14/10 05:33, Albert van der Horst wrote:
> (I encountered this before. A dictionary is a natural for a
> boardgame position, i.e. chess. Now we want to look up chess
> positions.)

or use collections.namedtuple

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