      "\n",
      "\n",
      "def main():\n",
      "    test = TestQuickSort()\n",
      "    test.test_quick_sort(quick_sort)\n",
      "\n",
      "\n",
      "if __name__ == '__main__':\n",
      "    main()"
     ]
 
</s>
    "    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_solution.ipynb