      "* [Clarifying Questions](#Clarifying-Questions)\n",
      "* [Test Cases](#Test-Cases)\n",
      "* [Algorithm](#Algorithm)\n",
      "* [Code](#Code)\n",
      "* [Pythonic-Code](#Pythonic-Code)"
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {},
 
</s> remove     "* Are the keys integers only?\n",
    "    * Yes"
 </s> add     "*Problem statements are sometimes intentionally ambiguous.  Asking clarifying questions, identifying constraints, and stating assumptions help to ensure you code the intended solution.*\n",
    "\n",
    "* For simplicity, are the keys integers only?\n",
    "    * Yes\n",
    "* For collision resolution, can we use linked lists?\n",
    "    * Yes\n",
    "* Do we have to worry about load factors?\n",
    "    * No" </s> remove    "execution_count": null,
 </s> add    "execution_count": 2, </s> remove    "execution_count": null,
 </s> add    "execution_count": 1,
    "* [Pythonic-Code](#Pythonic-Code)\n",
    "* [Unit Test](#Unit-Test)"
      "* [Clarifying Questions](#Clarifying-Questions)\n",
      "* [Test Cases](#Test-Cases)\n",
      "* [Algorithm](#Algorithm)\n",
      "* [Code](#Code)\n",
    "* [Pythonic-Code](#Pythonic-Code)\n",
    "* [Unit Test](#Unit-Test)"
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {},
keep keep keep keep replace keep keep keep keep keep
 Reworked notebook: Added more detail to clarifying questions and test cases.  Reworked unit test. 
arrays-strings/hash-map.ipynb