code: def constant_color(*unused_args):
      return np.array([255, 255, 255])
  
imports: import io
  import numpy
  from PIL import Image
  from six.moves import zip_longest
  from skimage import draw
  import tensorflow.compat.v1
label_desc: Use image node_id 23 for calling a global function with example usage: constant_color() and returns: np