     "metadata": {},
     "source": [
      "## Problem: Implement SetOfStacks that wraps a list of stacks, where each stack is bound by a capacity.\n",
      "\n",
      "* [Clarifying Questions](#Clarifying-Questions)\n",
      "* [Test Cases](#Test-Cases)\n",
      "* [Algorithm](#Algorithm)\n",
      "* [Code](#Code)"
     ]
    },
 
</s> remove     "* [Code](#Code)"
 </s> add     "* [Code](#Code)\n",
    "* [Unit Test](#Unit-Test)" </s> remove     "* Can we assume we have a Stack class to use?\n",
 </s> add     "*Problem statements are often intentionally ambiguous.  Identifying constraints and stating assumptions can help to ensure you code the intended solution.*\n",
    "\n",
    "* Can we assume we already have a stack class that can be used for this problem?\n",
    "    * Yes\n",
    "* If a stack becomes full, we should automatically create one?\n",
    "    * Yes\n",
    "* If a stack becomes empty, should we delete it?\n", </s> remove     "## Clarifying Questions\n",
 </s> add     "## Constraints and Assumptions\n", </s> remove    "outputs": [],
 </s> add    "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Test: Push on an empty stack\n",
      "Test: Push on a non-empty stack\n",
      "Test: Push on a capacity stack to create a new one\n",
      "Test: Pop on a one element stack to destroy it\n",
      "Test: Pop general case\n",
      "Test: Pop on no elements\n",
      "Success: test_set_of_stacks\n"
     ]
    }
   ],
    "* [Constraints and Assumptions](#Constraints-and-Assumptions)\n",
     "metadata": {},
     "source": [
      "## Problem: Implement SetOfStacks that wraps a list of stacks, where each stack is bound by a capacity.\n",
      "\n",
    "* [Constraints and Assumptions](#Constraints-and-Assumptions)\n",
      "* [Test Cases](#Test-Cases)\n",
      "* [Algorithm](#Algorithm)\n",
      "* [Code](#Code)"
     ]
    },
keep keep keep keep replace keep keep keep keep keep
 Reworked notebook: Added more detail to constraints and test cases.  Reworked unit test. 
stacks-queues/set-of-stacks.ipynb