      "\n",
      "\n",
      "def main():\n",
      "    test = TestQuickSort()\n",
      "    test.test_quick_sort(quick_sort)\n",
      "\n",
      "\n",
      "if __name__ == '__main__':\n",
      "    main()"
     ]
 
</s> remove     "    test.test_quick_sort(quick_sort)\n",
 </s> add     "    test.test_quick_sort()\n", </s> remove     "        sorted_data = func(data)\n",
    "        assert_equal(sorted_data, sorted(data))\n",
 </s> add     "        assert_equal(quick_sort.sort(data), sorted(data))\n", </s> remove     "        sorted_data = func(data)\n",
    "        assert_equal(sorted_data, sorted(data))\n",
 </s> add     "        assert_equal(quick_sort.sort(data), sorted(data))\n", </s> remove     test.test_quick_sort(quick_sort)
 </s> add     test.test_quick_sort() </s> remove     "    def test_quick_sort(self, func):\n",
 </s> add     "\n",
    "    def test_quick_sort(self):\n",
    "        quick_sort = QuickSort()\n",
    "\n",
    "    test.test_quick_sort()\n",
      "\n",
      "\n",
      "def main():\n",
      "    test = TestQuickSort()\n",
    "    test.test_quick_sort()\n",
      "\n",
      "\n",
      "if __name__ == '__main__':\n",
      "    main()"
     ]
keep keep keep keep replace keep keep keep keep keep
 Update quicksort challenge (#134)

Update constraints, test cases, code, algorithm, and tests. 
sorting_searching/quick_sort/quick_sort_challenge.ipynb