摘要: arr = [[1,2,3,4],[5,6,7,8],[9,10,11,12]] #方法1ar2 =[]for i in range(len(arr[0])): b =[] for j in range(len(arr)): b.append(arr[j][i]) ar2.append(b)prin 阅读全文
posted @ 2022-06-08 09:09 汪丛兴 阅读(170) 评论(0) 推荐(0) 编辑