code: def show_idlehelp(parent):
      "Create HelpWindow; called from Idle Help event handler."
      filename = join(abspath(dirname(__file__)), "help.html")
      if not isfile(filename):
          # try copy_strip, present message
          return
      HelpWindow(parent, filename, "IDLE Help (%s)" % python_version())
  
imports: from HTMLParser import HTMLParser
  from os.path import abspath, dirname, isdir, isfile, join
  from platform import python_version
  from Tkinter import Tk, Toplevel, Frame, Text, Scrollbar, Menu, Menubutton
  import tkFont
  from idlelib.configHandler import idleConf
label_desc: Use image node_id 2 for calling a global function with example usage: show_idlehelp(parent) without return types