def mirror():
    from PIL import Image
    from numpy import transpose
    from numpy import array
    im = Image.open("image.jpeg")
    pix = im.load()
    x, y = im.size
    g = []
    for i in range(x):
        for j in range(y):
            g.append(pix[i, j])
    g = array(g)
    g.transpose()
    for i in range(x):
        for j in range(y):
            pix[-i, j] = tuple(g[i])
    im.save("image2.jpeg")


mirror()