from PIL import Image

img=Image.new("RGB",(3000,2000))

for x in range(1000) :
    for y in range(int(2000)):
        img.putpixel((x,y),(0,0,255))

couleurs.alea.reload()
for x in range(1000,2000) :
    for y in range(int(2000)):
        img.putpixel((x,y),(255,255,255))

couleurs.alea.reload()
for x in range(2000,3000) :
    for y in range(int(2000)):
        img.putpixel((x,y),(255,0,0))



img.save("france.jpg")
img.show()