📅  最后修改于: 2022-03-11 14:48:18.356000             🧑  作者: Mango
In [24]: l = [['1', ' 1', ' 3'], ['2', ' 3', ' 5'], ['3'], ['4', ' 5'], ['5', ' 1'], ['6', ' 6'], ['7']]
In [25]: result = [map(int,i) for i in l]