import image img = image.Image("lionking.png") win = image.ImageWin(img.getWidth(), img.getHeight()) img.draw(win) img.setDelay(1,480) for row in range(img.getHeight()): for col in range(img.getWidth()): p = img.getPixel(col, row) R = p.getRed() G = p.getGreen() B = p.getBlue() newred = (R * 0.393 + G * 0.769 + B * 0.189) newgreen = (R * 0.349 + G * 0.686 + B * 0.168) newblue = (R * 0.272 + G * 0.534 + B * 0.131) newpixel = image.Pixel(newred, newgreen, newblue) img.setPixel(col, row, newpixel) img.draw(win) win.exitonclick()