code: def helper_polygon(points):
      # Arrange
      im = Image.new("RGB", (W, H))
      draw = ImageDraw2.Draw(im)
      pen = ImageDraw2.Pen("blue", width=2)
      brush = ImageDraw2.Brush("red")
  
      # Act
      draw.polygon(points, pen, brush)
  
      # Assert
      assert_image_equal_tofile(
          im, "Tests/images/imagedraw_polygon.png"
      )
  
imports: import os.path
  from PIL import Image, ImageDraw, ImageDraw2
  from .helper import assert_image_equal, assert_image_equal_tofile, assert_image_similar_tofile, hopper, skip_unless_feature
label_desc: Use image node_id 10 for calling a global function with example usage: helper_polygon(points) without return types