[issue12961] itertools: unlabelled balls in boxes

[Mark Dickinson]

Mark Dickinson <dickinsm at gmail.com> added the comment:

> Balls-in-boxes _is_ one of the most basic of the canonical combinatorial problems.

Agreed.  But in its basic form, this is covered by itertools.combinations, isn't it?  It may be worth a doc recipe showing how to use itertools.combinations for this (especially since the naive implementation---e.g., the one I posted on comp.lang.python, doesn't get boundary cases right).

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<http://bugs.python.org/issue12961>
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