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On Tue, Nov 7, 2017 at 11:50 AM, Tim Peters <tim.peters@gmail.com> wrote:

Is it worth guaranteeing that will always "work" (as intended)? Not
to me, but I do have code that relies on it now -

This is critically important -- no one looks at the language spec to figure out how something works -- they try it, and if it works assume it will continue to work.

if dict order is preserved in cPython , people WILL count on it!