      "## Constraints\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",
      "    * Yes"
     ]
    },
 
</s> remove     "* Pop on a one element stack to destroy it"
 </s> add     "* Pop on a stack to destroy it" </s> remove     "* Space: O(1)\n",
 </s> add     "* Space: O(m), where m is the size of the new stack\n", </s> remove     "        print('Test: Pop on a one element stack to destroy it')\n",
 </s> add     "        print('Test: Pop on a stack to destroy it')\n", </s> remove       "Test: Pop on a one element stack to destroy it\n",
 </s> add       "Test: Pop on a stack to destroy it\n", </s> remove         print('Test: Pop on a one element stack to destroy it')
 </s> add         print('Test: Pop on a stack to destroy it')
    "* If a stack becomes full, should we automatically create one?\n",
      "## Constraints\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, should we automatically create one?\n",
      "    * Yes\n",
      "* If a stack becomes empty, should we delete it?\n",
      "    * Yes"
     ]
    },
keep keep keep keep replace keep keep keep keep keep
 Polish set of stacks solution 
stacks_queues/set_of_stacks/set_of_stacks_solution.ipynb