code: def test_default_keydefs(self):
      self.assertGreaterEqual(len(mainmenu.default_keydefs), 50)
  
file_path: cpython/Lib/idlelib/idle_test/test_mainmenu.py
imports: from idlelib import mainmenu
  import re
  import unittest
label_desc: Use image node_id 2 for calling the MainMenuTest obj's underlying member method code with example usage: obj.test_default_keydefs() without return types