code: def on_select(self, index):
      pass
  
file_path: cpython/Lib/idlelib/scrolledlist.py
imports: from tkinter import *
  from tkinter.ttk import Frame, Scrollbar
  from idlelib import macosx
label_desc: Use image node_id 14 for calling the ScrolledList obj's underlying member method code with example usage: obj.on_select(index) without return types