from PIL import Image


img1 = Image.open("img1.png")
img2 = Image.open("img2.png")

assert img1.size == img2.size

pixels1 = list(img1.getdata())
pixels2 = list(img2.getdata())

result_pixels = [
    (r1 ^ r2, g1 ^ g2, b1 ^ b2)
    for (r1, g1, b1) , (r2, g2, b2) in zip(pixels1, pixels2)
]

result_img = Image.new("RGB", img1.size)
result_img.putdata(result_pixels)

result_img.save("xor_result.png")