矩形顺时针旋转90度
juxing = [[1,2,3,4],[5,6,7,8],[9,10,11,12],[13,14,15,16]]
juxing_t = []
for i in juxing:
print(i)
hang = len(juxing)
kuan = len(juxing[0])
for j in range(kuan):
new = []
for i in range(hang):
new.insert(0,juxing[i][j])
juxing_t.extend([new])
for item in juxing_t:
print(item)