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https://github.com/donnemartin/interactive-coding-challenges
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Fix #13, PEP8-ify notebooks.
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@@ -33,7 +33,6 @@
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"source": [
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"## Constraints\n",
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"\n",
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"* What if the final node is being deleted, for example a single node list? Do we make it a dummy with value None?\n",
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" * Yes\n",
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"* Can we assume we already have a linked list class that can be used for this problem?\n",
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@@ -95,7 +94,7 @@
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"outputs": [],
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"source": [
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"class MyLinkedList(LinkedList):\n",
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" \n",
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"\n",
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" def delete_node(self, node):\n",
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" if self.head is None:\n",
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" return\n",
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@@ -138,7 +137,7 @@
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"\n",
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"\n",
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"class TestDeleteNode(object):\n",
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" \n",
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"\n",
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" def test_delete_node(self):\n",
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" print('Test: Empty list, null node to delete')\n",
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" linked_list = MyLinkedList(None)\n",
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@@ -152,20 +151,22 @@
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" assert_equal(linked_list.get_all_data(), [None])\n",
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"\n",
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" print('Test: Multiple nodes')\n",
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" linked_list = MyLinkedList(None) \n",
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" linked_list = MyLinkedList(None)\n",
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" node0 = linked_list.insert_to_front(1)\n",
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" node1 = linked_list.insert_to_front(3)\n",
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" node2 = linked_list.insert_to_front(4)\n",
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" node3 = linked_list.insert_to_front(1)\n",
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" linked_list.delete_node(node2)\n",
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" assert_equal(linked_list.get_all_data(), [1, 3, 1])\n",
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" \n",
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"\n",
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" print('Success: test_delete_node')\n",
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"\n",
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"\n",
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"def main():\n",
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" test = TestDeleteNode()\n",
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" test.test_delete_node()\n",
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" \n",
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"\n",
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"\n",
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"if __name__ == '__main__':\n",
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" main()"
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]
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