import PIL # imports Pil module
im=PIL.Image.new(mode="RGB", size=(500,500),color=(255,255,255))

for y in range(0,100):
    for x in range(0,100):
        im.putpixel((x,y),(0,0,0))
for y in range(200,300):
    for x in range(0,100):
        im.putpixel((x,y),(0,0,0))
for y in range(400,500):
    for x in range(0,100):
        im.putpixel((x,y),(0,0,0))
for y in range(0,100):
    for x in range(200,300):
        im.putpixel((x,y),(0,0,0)) 
for y in range(0,100):
    for x in range(400,500):
        im.putpixel((x,y),(0,0,0))
for y in range(200,300):
    for x in range(200,300):
        im.putpixel((x,y),(0,0,0))
for y in range(300,400):
    for x in range(100,200):
        im.putpixel((x,y),(0,0,0))
for y in range(100,200):
    for x in range(100,200):
        im.putpixel((x,y),(0,0,0))
for y in range(100,200):
    for x in range(300,400):
        im.putpixel((x,y),(0,0,0))
for y in range(200,300):
    for x in range(400,500):
        im.putpixel((x,y),(0,0,0))
for y in range(300,400):
    for x in range(300,400):
        im.putpixel((x,y),(0,0,0))
for y in range(400,500):
    for x in range(200,300):
        im.putpixel((x,y),(0,0,0))
for y in range(400,500):
    for x in range(400,500):
        im.putpixel((x,y),(0,0,0))
im.show()