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add test case for properly deleting the head node of a linked list

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Rick 2018-01-27 00:23:13 -05:00
parent b4a64f78dc
commit 9ab9d70229
2 changed files with 31 additions and 27 deletions
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30
linked_lists/linked_list/linked_list_challenge.ipynb
View File

@ -103,9 +103,7 @@
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": false
},
"metadata": {},
"outputs": [],
"source": [
"class Node(object):\n",
@ -173,9 +171,7 @@
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": false
},
"metadata": {},
"outputs": [],
"source": [
"# %load test_linked_list.py\n",
@ -255,7 +251,15 @@
" linked_list = LinkedList(head)\n",
" linked_list.delete(None)\n",
" assert_equal(linked_list.get_all_data(), [10])\n",
"\n",
" \n",
" print('Test: delete general case with match at the head')\n",
" head = Node(10)\n",
" linked_list = LinkedList(head)\n",
" linked_list.insert_to_front('a')\n",
" linked_list.insert_to_front('bc')\n",
" linked_list.delete('bc')\n",
" assert_equal(linked_list.get_all_data(), ['a', 10])\n",
" \n",
" print('Test: delete general case with matches')\n",
" head = Node(10)\n",
" linked_list = LinkedList(head)\n",
@ -310,23 +314,23 @@
],
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"kernelspec": {
"display_name": "Python 3",
"display_name": "Python 2",
"language": "python",
"name": "python3"
"name": "python2"
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"language_info": {
"codemirror_mode": {
"name": "ipython",
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"file_extension": ".py",
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28
linked_lists/linked_list/linked_list_solution.ipynb
View File

@ -171,9 +171,7 @@
{
"cell_type": "code",
"execution_count": 1,
"metadata": {
"collapsed": false
},
"metadata": {},
"outputs": [
{
"name": "stdout",
@ -288,9 +286,7 @@
{
"cell_type": "code",
"execution_count": 2,
"metadata": {
"collapsed": false
},
"metadata": {},
"outputs": [],
"source": [
"%run linked_list.py"
@ -306,9 +302,7 @@
{
"cell_type": "code",
"execution_count": 3,
"metadata": {
"collapsed": false
},
"metadata": {},
"outputs": [
{
"name": "stdout",
@ -396,6 +390,14 @@
" linked_list = LinkedList(head)\n",
" linked_list.delete(None)\n",
" assert_equal(linked_list.get_all_data(), [10])\n",
" \n",
" print('Test: delete general case with match at the head')\n",
" head = Node(10)\n",
" linked_list = LinkedList(head)\n",
" linked_list.insert_to_front('a')\n",
" linked_list.insert_to_front('bc')\n",
" linked_list.delete('bc')\n",
" assert_equal(linked_list.get_all_data(), ['a', 10])\n",
"\n",
" print('Test: delete general case with matches')\n",
" head = Node(10)\n",
@ -442,9 +444,7 @@
{
"cell_type": "code",
"execution_count": 4,
"metadata": {
"collapsed": false
},
"metadata": {},
"outputs": [
{
"name": "stdout",
@ -501,9 +501,9 @@
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython2",
"version": "2.7.12"
"version": "2.7.13"
}
},
"nbformat": 4,
"nbformat_minor": 0
"nbformat_minor": 1
}