E = matrix([[1,0],[0,1]])
print E
print "================="
E[1] = E[0]+E[1]
B = E*E
C = E**8
print B,
print " = E^2"
print "================="
print C,
print " = E^8"
print "================="
D= 8*A
print D,
print " = 8*E"