零基础Python教程046期 矩阵行列互换算法，二维数组的典型应用

# [
#     [1, 2, 3],
#     [4, 5, 6],
#     [7, 8, 9]
# ]
# [
#     [1, 4, 7],
#     [2, 5, 8],
#     [3, 6, 9]
# ]

n=6
k=1
list1=[]
for i in range(n):
    tmp=[]
    for j in range(n):
        tmp.append(k)
        k+=1
    list1.append(tmp)
print(list1)

#行列互换
for i in range(n):
    for j in range(i,n):
        list1[i][j],list1[j][i]=list1[j][i],list1[i][j]
print(list1)