python 矩阵转置(day07_exercise2)

 1 list04 = [
 2     [1,2,3,4],
 3     [5,6,7,8],
 4     [9,10,11,12],
 5     [13,14,15,16]
 6 ]
 7 
 8 # 方法一
 9 L = []
10 
11 for j in range(len(list04[0])):
12     L.append([])
13     for i in range(len(list04)):
14         L[j].append(list04[i][j])
15     
16     # print(list04[i][j],end=' ')
17 
18 print(L)
19 
20 
21 # 方法二
22 result = []
23 for m in range(4):
24     lst = []
25     result.append(lst)
26     for n in range(4):
27         lst.append(list04[n][m])
28 print(result)