[Python-ideas] Re: Proposed class for collections: dynamicdict

On Fri, Apr 10, 2020 at 06:02:25PM -0700, Andrew Barnert via Python-ideas wrote:

(Keep in mind that defaultdict was added somewhere around 2.4 or 2.5, while __missing__ has only been there since somewhere around 2.7/3.3. I’ll bet it would be different if it were invented today.)

Both `__missing__` and `defaultdict` were added in version 2.5.

https://docs.python.org/2/library/stdtypes.html#dict https://docs.python.org/2/library/collections.html#defaultdict-objects