>>> a = [1,2,3,4,5,6,7,8,9,0]
>>> n = 3
>>> c= [a[i:i+n] for i in range(0, len(a), n)]
二、将大列表套小列表转化为一个列表
>>> a
[[1], [2], [3]]
>>> b = []
>>> [b.extend(li) for li in a]
[None, None, None]
>>> b
[1, 2, 3]
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>>> a = [1,2,3,4,5,6,7,8,9,0]
>>> n = 3
>>> c= [a[i:i+n] for i in range(0, len(a), n)]
>>> a
[[1], [2], [3]]
>>> b = []
>>> [b.extend(li) for li in a]
[None, None, None]
>>> b
[1, 2, 3]
相关文章：