您需要
itertools.combinations：
>>> from itertools import combinations>>> L = [1, 2, 3, 4]>>> [",".join(map(str, comb)) for comb in combinations(L, 3)]['1,2,3', '1,2,4', '1,3,4', '2,3,4']
![从python列表中获取元素的唯一组合[重复]](http://www.wk8.com.cn/aiimages/31/640056.png "从python列表中获取元素的唯一组合[重复]")
您需要
itertools.combinations：
>>> from itertools import combinations>>> L = [1, 2, 3, 4]>>> [",".join(map(str, comb)) for comb in combinations(L, 3)]['1,2,3', '1,2,4', '1,3,4', '2,3,4']
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