# 转置二维数组
a = [[1, 2, 3], [4, 5, 6]]
b = []
for i in range(3):
b.append([0]*2)
print(b)
for i in range(len(b)):
for j in range(len(b[i])):
b[i][j] = a[j][i]
print(b)
2.
# 转置二维数组
a = [[1, 2, 3], [4, 5, 6]]
b = []
for i in range(len(a[0])): # 行数
t = []
for j in range(len(a)):
t.append(a[j][i])
b.append(t)
print(b)
