for x in range(2, image.size[0] - 2):
for y in range(2, image.size[1] - 2):
pix = sum([sum([image_l[a, b] for b in range(y - 2, y + 3)]) for a in range(x - 2, x + 3)]) - (25 * image_l[x, y])
for x in range(2, image.size[0] - 2):
for y in range(2, image.size[1] - 2):
pix = sum([sum([image_l[a, b] for b in range(y - 2, y + 3)]) for a in range(x - 2, x + 3)]) - (25 * image_l[x, y])