Array = [[1,2,3,4],[5,6,7,8],[9,10,11,12],[13,14,15,16]]
print (Array)
for i in range(len(Array)):
for j in range(i,len(Array[i])):
tmp = Array[i][j]
Array[i][j] = Array[j][i]
Array[j][i] = tmp
print (Array)
原文：http://www.cnblogs.com/python-study/p/5474903.html