An ordered dictionary for the Python library?

Steven D'Aprano steve at
Wed Sep 12 14:42:58 CEST 2007

On Wed, 12 Sep 2007 07:33:45 +0000, Mark Summerfield wrote:

> I feel that Python lacks one useful data structure: an ordered
> dictionary.
> I find such data structures v. useful in C++.

Personally, I've never missed an ordered dict. What do people use them 

In fact, I'm not sure what people mean by ordered dicts. I assume they 
mean the keys are ordered, not the values. But ordered by what? Insertion 
order? Modification order? Alphabetical order? 


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