      "        solution.insert(4)\n",
      "        solution.insert(3)\n",
      "        solution.insert(3)\n",
      "        solution.insert(2)\n",
      "        assert_equal(solution.max, 9)\n",
      "        assert_equal(solution.min, 2)\n",
      "        assert_equal(solution.mean, 5)\n",
      "        assert_true(solution.mode in (2, 92))\n",
      "        print('Success: test_math_ops')\n",
      "\n",
      "\n",
      "def main():\n",
      "    test = TestMathOps()\n",
 
</s> remove     "        assert_equal(solution.max, 9)\n",
    "        assert_equal(solution.min, 2)\n",
    "        assert_equal(solution.mean, 5)\n",
    "        assert_true(solution.mode in (2, 9))\n",
 </s> add     "        self.assertEqual(solution.max, 9)\n",
    "        self.assertEqual(solution.min, 2)\n",
    "        self.assertEqual(solution.mean, 5)\n",
    "        self.assertTrue(solution.mode in (2, 9))\n", </s> remove         assert_equal(solution.max, 9)
        assert_equal(solution.min, 2)
        assert_equal(solution.mean, 5)
        assert_true(solution.mode in (2, 92))
 </s> add         self.assertEqual(solution.max, 9)
        self.assertEqual(solution.min, 2)
        self.assertEqual(solution.mean, 5)
        self.assertTrue(solution.mode in (2, 9)) </s> remove     "        assert_equal(solution.calc_utopian_tree_height(0), 1)\n",
    "        assert_equal(solution.calc_utopian_tree_height(1), 2)\n",
    "        assert_equal(solution.calc_utopian_tree_height(4), 7)\n",
 </s> add     "        self.assertEqual(solution.calc_utopian_tree_height(0), 1)\n",
    "        self.assertEqual(solution.calc_utopian_tree_height(1), 2)\n",
    "        self.assertEqual(solution.calc_utopian_tree_height(4), 7)\n", </s> remove     "        assert_equal(solution.calc_utopian_tree_height(0), 1)\n",
    "        assert_equal(solution.calc_utopian_tree_height(1), 2)\n",
    "        assert_equal(solution.calc_utopian_tree_height(4), 7)\n",
 </s> add     "        self.assertEqual(solution.calc_utopian_tree_height(0), 1)\n",
    "        self.assertEqual(solution.calc_utopian_tree_height(1), 2)\n",
    "        self.assertEqual(solution.calc_utopian_tree_height(4), 7)\n", </s> remove     "        assert_raises(TypeError, solution.sub_two, None)\n",
    "        assert_equal(solution.sub_two(7, 5), 2)\n",
    "        assert_equal(solution.sub_two(-5, -7), 2)\n",
    "        assert_equal(solution.sub_two(-5, 7), -12)\n",
    "        assert_equal(solution.sub_two(5, -7), 12)\n",
 </s> add     "        self.assertRaises(TypeError, solution.sub_two, None)\n",
    "        self.assertEqual(solution.sub_two(7, 5), 2)\n",
    "        self.assertEqual(solution.sub_two(-5, -7), 2)\n",
    "        self.assertEqual(solution.sub_two(-5, 7), -12)\n",
    "        self.assertEqual(solution.sub_two(5, -7), 12)\n",
    "        self.assertEqual(solution.max, 9)\n",
    "        self.assertEqual(solution.min, 2)\n",
    "        self.assertEqual(solution.mean, 5)\n",
    "        self.assertTrue(solution.mode in (2, 92))\n",
      "        solution.insert(4)\n",
      "        solution.insert(3)\n",
      "        solution.insert(3)\n",
      "        solution.insert(2)\n",
    "        self.assertEqual(solution.max, 9)\n",
    "        self.assertEqual(solution.min, 2)\n",
    "        self.assertEqual(solution.mean, 5)\n",
    "        self.assertTrue(solution.mode in (2, 92))\n",
    "        self.assertEqual(solution.max, 9)\n",
    "        self.assertEqual(solution.min, 2)\n",
    "        self.assertEqual(solution.mean, 5)\n",
    "        self.assertTrue(solution.mode in (2, 92))\n",
    "        self.assertEqual(solution.max, 9)\n",
    "        self.assertEqual(solution.min, 2)\n",
    "        self.assertEqual(solution.mean, 5)\n",
    "        self.assertTrue(solution.mode in (2, 92))\n",
    "        self.assertEqual(solution.max, 9)\n",
    "        self.assertEqual(solution.min, 2)\n",
    "        self.assertEqual(solution.mean, 5)\n",
    "        self.assertTrue(solution.mode in (2, 92))\n",
      "        print('Success: test_math_ops')\n",
      "\n",
      "\n",
      "def main():\n",
      "    test = TestMathOps()\n",
keep keep keep keep replace replace replace replace keep keep keep keep keep
 #273: Remove nose dependency for online_judges/ (#282) 
online_judges/math_ops/math_ops_challenge.ipynb