code: def test_normalized():
      assert ColorTriplet(255, 255, 255).normalized == (1.0, 1.0, 1.0)
      assert ColorTriplet(0, 255, 0).normalized == (0.0, 1.0, 0.0)
  
label_desc: Use image node_id 3 for calling a global function with example usage: test_normalized() without return types