我有一个嵌套列表: {{9, 8, 7}, {8, 7, 6}, {7, 6, 5}, {6, 5, 4}, {5, 4, 3}, {4, 3, 2}, {3, 2, 1}}
{{9, 8, 7}, {8, 7, 6}, {7, 6, 5}, {6, 5, 4}, {5, 4, 3}, {4, 3, 2}, {3, 2, 1}}
我需要对列表中的列表进行排序以创建:
{{7, 8, 9}, {6, 7, 8}, {5, 6, 7}, {4, 5, 6}, {3, 4, 5}, {2, 3, 4}, (1, 2, 3}}
我该怎么做呢?
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