mx1 = np.matrix([[2,0,9],[0,5,8],[1,2,0]])

[[2 0 9]
 [0 5 8]
 [1 2 0]]

mx2 = np.matrix([[5,6,2],[3,3,7],[0,1,6]])

[[5 6 2]
 [3 3 7]
 [0 1 6]]

[[2 6 9]
 [3 5 8]
 [1 2 6]]