我有一个清单：
List = [[['1','2'],['2','4']],[['1','4'],['4','8']],[['53','8'],['8','2'],['2','82']]]
我想将反向数据添加到列表中
成为：
[[['1','2'],['2','4'],['2','1'],['4','2']],[['1','4'],['4','8'],['4','1'],['8','4']],[['53','8'],['8','2'],['2','82'],['8','53'],['2','8'],['82','2']]]
您可以遍历列表并使用反向元素扩展它：
List = [[['1','2'],['2','4']],[['1','4'],['4','8']],[['53','8'],['8','2'],['2','82']]]
for sublist in List:
sublist.extend([pair[::-1] for pair in sublist])
最后，List将是：
[[['1', '2'], ['2', '4'], ['2', '1'], ['4', '2']],
[['1', '4'], ['4', '8'], ['4', '1'], ['8', '4']],
[['53', '8'], ['8', '2'], ['2', '82'], ['8', '53'], ['2', '8'], ['82', '2']]]
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