RosettaCodeData/Task/Munching-squares/Python/munching-squares.py

import Image, ImageDraw

image = Image.new("RGB", (256, 256))
drawingTool = ImageDraw.Draw(image)

for x in range(256):
    for y in range(256):
        drawingTool.point((x, y), (0, x^y, 0))

del drawingTool
image.save("xorpic.png", "PNG")