Matrix Rotations

Matrix Rotations

def rotate_right_90(X):
    return reverse_rows(transpose(X))

def rotate_right_180(X):
    return reverse_rows(reverse_cols(X))

def rotate_left_90(X):
    return reverse_cols(transpose(X))

print "Original Matrix"
pprint.pprint(mtx)
print "90/-270 degree rotation"
pprint.pprint(rotate_right_90(mtx))
print "180/-180 degree rotation"
pprint.pprint(rotate_right_180(mtx))
print "270/-90 degree rotation"
pprint.pprint(rotate_left_90(mtx))