Why are there no ordered dictionaries?

[bonono at gmail.com]

Steve Holden wrote:
> Perhaps now the answer top your question is more obvious: there is by no
> means universal agreement on what an "ordered dictionary" should do.
> Given the ease with which Python allows you to implement your chosen
> functionality it would be presumptuous of the core developers to favour
> any one of the several reasonable alternatives that might be chosen.
>
It seems to be though as "ordered dictionary" are slowly to be confined
to only "ordered on order of change to the dictionary".