# coding: utf8

from PIL import Image, ImageGrab

def sample():
img = ImageGrab.grab()
img.save("screen.bmp", "BMP")
print(img.mode)
img2 = ImageGrab.grab((100, 100, 300, 300))
img2.save("screen2.bmp", "BMP")

if __name__ == "__main__":
sample()