code: def test_sub_and_super(self):
      self.assertTrue(self.ab_weakset <= self.abcde_weakset)
      self.assertTrue(self.abcde_weakset <= self.abcde_weakset)
      self.assertTrue(self.abcde_weakset >= self.ab_weakset)
      self.assertFalse(self.abcde_weakset <= self.def_weakset)
      self.assertFalse(self.abcde_weakset >= self.def_weakset)
      self.assertTrue(set("a").issubset("abc"))
      self.assertTrue(set("abc").issuperset("a"))
      self.assertFalse(set("a").issubset("cbs"))
      self.assertFalse(set("cbs").issuperset("a"))
  
imports: import unittest
  from weakref import WeakSet
  import copy
  import string
  from collections import UserString
  from collections.abc import Set, MutableSet
  import gc
  import contextlib
  from test import support
label_desc: Use image node_id 15 for calling the TestWeakSet obj's underlying member method code with example usage: obj.test_sub_and_super() without return types