code: def test_bitwise_and():
      assert pixel(ImageMath.eval("Z&Z", A=A, Z=Z)) == "I 0"
      assert pixel(ImageMath.eval("Z&A", A=A, Z=Z)) == "I 0"
      assert pixel(ImageMath.eval("A&Z", A=A, Z=Z)) == "I 0"
      assert pixel(ImageMath.eval("A&A", A=A, Z=Z)) == "I 1"
  
imports: import pytest
  from PIL import Image, ImageMath
label_desc: Use image node_id 12 for calling a global function with example usage: test_bitwise_and() without return types