code: def hex_to_rgb(hex):
      if hex.startswith("#"):
          hex = hex[1:]
      r = int(hex[0:2], 16) / 255.0
      g = int(hex[2:4], 16) / 255.0
      b = int(hex[4:6], 16) / 255.0
      return [r, g, b]
  
imports: import operator
  import math
label_desc: Use image node_id 20 for calling a global function with example usage: hex_to_rgb(hex) and returns: list