code: def test_division(self):
      original = mock = Mock()
      mock.value = 32
      self.assertRaises(TypeError, lambda: mock / 2)
  
      def truediv(self, other):
          mock.value /= other
          return self
  
      mock.__truediv__ = truediv
      self.assertEqual(mock / 2, mock)
      self.assertEqual(mock.value, 16)
  
      del mock.__truediv__
  
      def itruediv(mock):
          mock /= 4
  
      self.assertRaises(TypeError, itruediv, mock)
      mock.__itruediv__ = truediv
      mock /= 8
      self.assertEqual(mock, original)
      self.assertEqual(mock.value, 2)
  
      self.assertRaises(TypeError, lambda: 8 / mock)
      mock.__rtruediv__ = truediv
      self.assertEqual(0.5 / mock, mock)
      self.assertEqual(mock.value, 4)
  
imports: import math
  import unittest
  import os
  from asyncio import iscoroutinefunction
  from unittest.mock import AsyncMock, Mock, MagicMock, _magics
label_desc: Use image node_id 9 for calling the TestMockingMagicMethods obj's underlying member method code with example usage: obj.test_division() and returns: self