     ]
    }
   ],
   "metadata": {
    "kernelspec": {
     "display_name": "Python 2",
     "language": "python",
     "name": "python2"
 
</s> remove    "display_name": "Python 3",
 </s> add    "display_name": "Python 2", </s> remove    "name": "python3"
 </s> add    "name": "python2" </s> remove    "pygments_lexer": "ipython3",
   "version": "3.5.0"
 </s> add    "pygments_lexer": "ipython2",
   "version": "2.7.12" </s> remove     "version": 3
 </s> add     "version": 2 </s> remove     "            self.head = None\n",
 </s> add     "            self.head = self.head.next\n",
  "celltoolbar": "Edit Metadata",
     ]
    }
   ],
   "metadata": {
  "celltoolbar": "Edit Metadata",
    "kernelspec": {
     "display_name": "Python 2",
     "language": "python",
     "name": "python2"
keep keep keep add keep keep keep keep
 Fix #173: Bugs in linked list append and delete methods (#184) 
linked_lists/linked_list/linked_list_solution.ipynb