     ]
    },
    {
     "cell_type": "code",
     "execution_count": 3,
     "metadata": {
      "collapsed": false
     },
 
</s> remove    "execution_count": null,
 </s> add    "execution_count": 3, </s> remove    "execution_count": null,
 </s> add    "execution_count": 2, </s> remove    "execution_count": null,
 </s> add    "execution_count": 1, </s> remove     "* [Code](#Code)"
 </s> add     "* [Code](#Code)\n",
    "* [Unit Test](#Unit-Test)" </s> remove    "outputs": [],
 </s> add    "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Test: Push on empty stack, non-empty stack\n",
      "Test: Pop on non-empty stack\n",
      "Test: Pop empty stack\n",
      "Success: test_stack_min\n"
     ]
    }
   ],
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Unit Test\n",
    "\n",
    "*It is important to identify and run through general and edge cases from the [Test Cases](#Test-Cases) section by hand.  You generally will not be asked to write a unit test like what is shown below.*"
   ]
  },
     ]
    },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Unit Test\n",
    "\n",
    "*It is important to identify and run through general and edge cases from the [Test Cases](#Test-Cases) section by hand.  You generally will not be asked to write a unit test like what is shown below.*"
   ]
  },
    {
     "cell_type": "code",
     "execution_count": 3,
     "metadata": {
      "collapsed": false
     },
keep add keep keep keep keep keep keep
 Reworked notebook: Added more detail to constraints and test cases.  Reworked unit test. 
stacks-queues/stack-min.ipynb