code: def assert_equivalent(o1, o2):
      '''Asserts that o1 and o2 are distinct, yet equivalent objects
      '''
      if not (isinstance(o1, type) and isinstance(o2, type)):
          assert o1 is not o2
      assert o1 == o2
      assert o2 == of assert_equivalent(o1, o2):
      '''Asserts that o1 and o2 are distinct, yet equivalent objects
      '''
      if not (isinstance(o1, type) and isinstance(o2, type)):
          assert o1 is not o2
      assert o1 == o2
      assert o2 == o1
docs: Asserts that o1 and o2 are distinct, yet equivalent objects