Ex074-列表嵌套3实验

sunlichao

实验目的:
1.列表嵌套用法
示例代码:

1. matrix = [[1, 2, 3, 4],
   
2.           [5, 6, 7, 8],
   
3.           [9, 10, 11, 12],]
   
4. transposed = []
   
5. for i in range(4):
   
6.     transposed_row = []
   
7.     for row in matrix:
   
8.         transposed_row.append(row[i])
   
9.     transposed.append(transposed_row)
   
10. print(transposed)
    

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