[Python-ideas] Powerset

Steven D'Aprano steve at pearwood.info
Mon Oct 15 19:02:52 EDT 2018

Hi Hasan, and welcome,

On Mon, Oct 15, 2018 at 11:15:47AM -0700, Hasan Diwan wrote:
> [if this isn't the correct spot, let me know and I'll gladly take it elsewhere]
> I have found myself needing powerset functionality several times
> recently to the point where I wondered if there's interest in making
> it part of the standard library. 

This is certainly the right place to discuss this, but you shouldn't 
assume that everyone reading will know what powerset functionality you 
are referring to.

Is it the same as the recipe in the itertools documentation?


Can you make a case for why it is important and useful enough to be put 
into the std lib? Every new function increases the burden on both the 
Python developers maintaining the stdlib, and new users learning to use 
the language. So you need to make a case for why the benefit outweighs 
the costs.


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