> I am often driven to use, for example, itertools set(permutations(multiset, > n))
Try the more-itertools package: https://more-itertools.readthedocs.io/en/stable/api.html#more_itertools.distinct_permutations from more_itertools import distinct_permutations from collections import Counter c = Counter('abracadabra’) print(list(distinct_permutations(c.elements(), 3))) > there is little if any solid evidence that they do what they claim to do ( The code in more-itertools is trustworthy. Also the docs have links to the source, so you can just read the code and let it earn your trust. Raymond
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