code: def get_random_color(pastel_factor=0.5):
      return [
          (x + pastel_factor) / (1.0 + pastel_factor)
          for x in [random.uniform(0, 1.0) for i in [1, 2, 3]]
      ]
  
imports: import open3d
  import random
label_desc: Use image node_id 1 for calling a global function with example usage: get_random_color(pastel_factor) and returns: unknown