code: def rgb_to_hex(rgb):
      return "#%02x%02x%02x" % rgb
  
imports: from collections import OrderedDict
  import os
  from genericpath import isdir, isfile
  from os import listdir
  from os.path import join
  from enum import Enum
  from bokeh.models import Div
  from bokeh.plotting import curdoc
  import tkinter
  from tkinter import filedialog
  import colorsys
  from rl_coach.core_types import TimeTypes
label_desc: Use image node_id 2 for calling a global function with example usage: rgb_to_hex(rgb) and returns: unknown