code: def test_grab(self):
      ImageGrab.grab()
      ImageGrab.grab(include_layered_windows=True)
      ImageGrab.grab(all_screens=True)
  
      im = ImageGrab.grab(bbox=(10, 20, 50, 80))
      assert im.size == (40, 60)
  
file_path: pillow-simd/Tests/test_imagegrab.py
imports: import os
  import subprocess
  import sys
  import pytest
  from PIL import Image, ImageGrab
  from .helper import assert_image_equal_tofile, skip_unless_feature
label_desc: Use image node_id 1 for calling the TestImageGrab obj's underlying member method code with example usage: obj.test_grab() without return types