Fix #13, PEP8-ify notebooks.

linked_lists/add_reverse/add_reverse_challenge.ipynb

@@ -34,7 +34,6 @@
    "source": [
     "## Constraints\n",
     "\n",
-
     "* Do you expect the return to be in reverse order too?\n",
     "    * Yes\n",
     "* What if one of the inputs is None?\n",
@@ -169,10 +168,12 @@
     "\n",
     "        print('Success: test_add_reverse')\n",
     "\n",
+    "\n",
     "def main():\n",
     "    test = TestAddReverse()\n",
     "    test.test_add_reverse()\n",
     "\n",
+    "\n",
     "if __name__ == '__main__':\n",
     "    main()"
    ]

linked_lists/add_reverse/add_reverse_solution.ipynb

@@ -33,7 +33,6 @@
    "source": [
     "## Constraints\n",
     "\n",
-
     "* Do you expect the return to be in reverse order too?\n",
     "    * Yes\n",
     "* What if one of the inputs is None?\n",
@@ -133,7 +132,8 @@
     "        new_carry = 1 if value >= 10 else 0\n",
     "        remainder = value % 10\n",
     "        node = Node(remainder)\n",
-    "        node.next = self.__add_reverse__(first_node.next if first_node is not None else None, \n",
+    "        node.next = self.__add_reverse__(\n",
+    "            first_node.next if first_node is not None else None,\n",
     "            second_node.next if first_node is not None else None,\n",
     "            new_carry)\n",
     "        return node\n",
@@ -209,10 +209,12 @@
     "\n",
     "        print('Success: test_add_reverse')\n",
     "\n",
+    "\n",
     "def main():\n",
     "    test = TestAddReverse()\n",
     "    test.test_add_reverse()\n",
     "\n",
+    "\n",
     "if __name__ == '__main__':\n",
     "    main()"
    ]

linked_lists/add_reverse/test_add_reverse.py

@@ -38,9 +38,11 @@ class TestAddReverse(object):
 
         print('Success: test_add_reverse')
 
+
 def main():
     test = TestAddReverse()
     test.test_add_reverse()
 
+
 if __name__ == '__main__':
     main()

linked_lists/delete_mid/delete_mid_challenge.ipynb

@@ -34,7 +34,6 @@
    "source": [
     "## Constraints\n",
     "\n",
-
     "* What if the final node is being deleted, for example a single node list?  Do we make it a dummy with value None?\n",
     "    * Yes\n",
     "* Can we assume we already have a linked list class that can be used for this problem?\n",
@@ -149,10 +148,12 @@
     "\n",
     "        print('Success: test_delete_node')\n",
     "\n",
+    "\n",
     "def main():\n",
     "    test = TestDeleteNode()\n",
     "    test.test_delete_node()\n",
     "\n",
+    "\n",
     "if __name__ == '__main__':\n",
     "    main()"
    ]

linked_lists/delete_mid/delete_mid_solution.ipynb

@@ -33,7 +33,6 @@
    "source": [
     "## Constraints\n",
     "\n",
-
     "* What if the final node is being deleted, for example a single node list?  Do we make it a dummy with value None?\n",
     "    * Yes\n",
     "* Can we assume we already have a linked list class that can be used for this problem?\n",
@@ -162,10 +161,12 @@
     "\n",
     "        print('Success: test_delete_node')\n",
     "\n",
+    "\n",
     "def main():\n",
     "    test = TestDeleteNode()\n",
     "    test.test_delete_node()\n",
     "\n",
+    "\n",
     "if __name__ == '__main__':\n",
     "    main()"
    ]

linked_lists/delete_mid/test_delete_mid.py

@@ -26,9 +26,11 @@ class TestDeleteNode(object):
 
         print('Success: test_delete_node')
 
+
 def main():
     test = TestDeleteNode()
     test.test_delete_node()
 
+
 if __name__ == '__main__':
     main()

linked_lists/find_loop_start/find_loop_start_challenge.ipynb

@@ -34,7 +34,6 @@
    "source": [
     "## Constraints\n",
     "\n",
-
     "* Is this a singly linked list?\n",
     "    * Yes\n",
     "* Can we assume we are always passed a circular linked list?\n",
@@ -165,10 +164,12 @@
     "\n",
     "        print('Success: test_find_loop_start')\n",
     "\n",
+    "\n",
     "def main():\n",
     "    test = TestFindLoopStart()\n",
     "    test.test_find_loop_start()\n",
     "\n",
+    "\n",
     "if __name__ == '__main__':\n",
     "    main()"
    ]

linked_lists/find_loop_start/find_loop_start_solution.ipynb

@@ -33,7 +33,6 @@
    "source": [
     "## Constraints\n",
     "\n",
-
     "* Is this a singly linked list?\n",
     "    * Yes\n",
     "* Can we assume we are always passed a circular linked list?\n",
@@ -194,10 +193,12 @@
     "\n",
     "        print('Success: test_find_loop_start')\n",
     "\n",
+    "\n",
     "def main():\n",
     "    test = TestFindLoopStart()\n",
     "    test.test_find_loop_start()\n",
     "\n",
+    "\n",
     "if __name__ == '__main__':\n",
     "    main()"
    ]

linked_lists/find_loop_start/test_find_loop_start.py

@@ -39,9 +39,11 @@ class TestFindLoopStart(object):
 
         print('Success: test_find_loop_start')
 
+
 def main():
     test = TestFindLoopStart()
     test.test_find_loop_start()
 
+
 if __name__ == '__main__':
     main()

linked_lists/kth_to_last_elem/kth_to_last_elem_challenge.ipynb

@@ -34,7 +34,6 @@
    "source": [
     "## Constraints\n",
     "\n",
-
     "* Can we assume k is a valid integer?\n",
     "    * Yes\n",
     "* If k = 0, does this return the last element?\n",
@@ -154,10 +153,12 @@
     "\n",
     "        print('Success: test_kth_to_last_elem')\n",
     "\n",
+    "\n",
     "def main():\n",
     "    test = Test()\n",
     "    test.test_kth_to_last_elem()\n",
     "\n",
+    "\n",
     "if __name__ == '__main__':\n",
     "    main()"
    ]

linked_lists/kth_to_last_elem/kth_to_last_elem_solution.ipynb

@@ -33,7 +33,6 @@
    "source": [
     "## Constraints\n",
     "\n",
-
     "* Can we assume k is a valid integer?\n",
     "    * Yes\n",
     "* If k = 0, does this return the last element?\n",
@@ -177,10 +176,12 @@
     "\n",
     "        print('Success: test_kth_to_last_elem')\n",
     "\n",
+    "\n",
     "def main():\n",
     "    test = Test()\n",
     "    test.test_kth_to_last_elem()\n",
     "\n",
+    "\n",
     "if __name__ == '__main__':\n",
     "    main()"
    ]

linked_lists/kth_to_last_elem/test_kth_to_last_elem.py

@@ -25,9 +25,11 @@ class Test(object):
 
         print('Success: test_kth_to_last_elem')
 
+
 def main():
     test = Test()
     test.test_kth_to_last_elem()
 
+
 if __name__ == '__main__':
     main()

linked_lists/linked_list/linked_list.py

@@ -7,6 +7,7 @@ class Node(object):
     def __str__(self):
         return self.data
 
+
 class LinkedList(object):
 
     def __init__(self, head=None):

linked_lists/linked_list/linked_list_challenge.ipynb

@@ -34,7 +34,6 @@
    "source": [
     "## Constraints\n",
     "\n",
-
     "* Is this a singly or doubly linked list?\n",
     "    * Singly\n",
     "* Is this a circular list?\n",
@@ -119,6 +118,7 @@
     "        pass\n",
     "        # TODO: Implement me\n",
     "\n",
+    "\n",
     "class LinkedList(object):\n",
     "\n",
     "    def __init__(self, head=None):\n",
@@ -284,6 +284,7 @@
     "\n",
     "        print('Success: test_len\\n')\n",
     "\n",
+    "\n",
     "def main():\n",
     "    test = TestLinkedList()\n",
     "    test.test_insert_to_front()\n",
@@ -292,6 +293,7 @@
     "    test.test_delete()\n",
     "    test.test_len()\n",
     "\n",
+    "\n",
     "if __name__ == '__main__':\n",
     "    main()"
    ]

linked_lists/linked_list/linked_list_solution.ipynb

@@ -33,7 +33,6 @@
    "source": [
     "## Constraints\n",
     "\n",
-
     "* Is this a singly or doubly linked list?\n",
     "    * Singly\n",
     "* Is this a circular list?\n",
@@ -196,6 +195,7 @@
     "    def __str__(self):\n",
     "        return self.data\n",
     "\n",
+    "\n",
     "class LinkedList(object):\n",
     "\n",
     "    def __init__(self, head=None):\n",
@@ -416,6 +416,7 @@
     "\n",
     "        print('Success: test_len\\n')\n",
     "\n",
+    "\n",
     "def main():\n",
     "    test = TestLinkedList()\n",
     "    test.test_insert_to_front()\n",
@@ -424,6 +425,7 @@
     "    test.test_delete()\n",
     "    test.test_len()\n",
     "\n",
+    "\n",
     "if __name__ == '__main__':\n",
     "    main()"
    ]

linked_lists/linked_list/test_linked_list.py

@@ -103,6 +103,7 @@ class TestLinkedList(object):
 
         print('Success: test_len\n')
 
+
 def main():
     test = TestLinkedList()
     test.test_insert_to_front()
@@ -111,5 +112,6 @@ def main():
     test.test_delete()
     test.test_len()
 
+
 if __name__ == '__main__':
     main()

linked_lists/palindrome/palindrome_challenge.ipynb

@@ -34,7 +34,6 @@
    "source": [
     "## Constraints\n",
     "\n",
-
     "* Is a single character or number a palindrome?\n",
     "    * No\n",
     "* Can we assume we already have a linked list class that can be used for this problem?\n",
@@ -161,10 +160,12 @@
     "\n",
     "        print('Success: test_palindrome')\n",
     "\n",
+    "\n",
     "def main():\n",
     "    test = TestPalindrome()\n",
     "    test.test_palindrome()\n",
     "\n",
+    "\n",
     "if __name__ == '__main__':\n",
     "    main()"
    ]

linked_lists/palindrome/palindrome_solution.ipynb

@@ -192,10 +192,12 @@
     "\n",
     "        print('Success: test_palindrome')\n",
     "\n",
+    "\n",
     "def main():\n",
     "    test = TestPalindrome()\n",
     "    test.test_palindrome()\n",
     "\n",
+    "\n",
     "if __name__ == '__main__':\n",
     "    main()"
    ]

linked_lists/palindrome/test_palindrome.py

@@ -36,9 +36,11 @@ class TestPalindrome(object):
 
         print('Success: test_palindrome')
 
+
 def main():
     test = TestPalindrome()
     test.test_palindrome()
 
+
 if __name__ == '__main__':
     main()

linked_lists/partition/partition_challenge.ipynb

@@ -34,7 +34,6 @@
    "source": [
     "## Constraints\n",
     "\n",
-
     "* Can we create additional data structures?\n",
     "    * Yes\n",
     "* Do you expect the function to return a new list?\n",
@@ -168,10 +167,12 @@
     "\n",
     "        print('Success: test_partition')\n",
     "\n",
+    "\n",
     "def main():\n",
     "    test = TestPartition()\n",
     "    test.test_partition()\n",
     "\n",
+    "\n",
     "if __name__ == '__main__':\n",
     "    main()"
    ]

linked_lists/partition/partition_solution.ipynb

@@ -33,7 +33,6 @@
    "source": [
     "## Constraints\n",
     "\n",
-
     "* Can we create additional data structures?\n",
     "    * Yes\n",
     "* Do you expect the function to return a new list?\n",
@@ -193,10 +192,12 @@
     "\n",
     "        print('Success: test_partition')\n",
     "\n",
+    "\n",
     "def main():\n",
     "    test = TestPartition()\n",
     "    test.test_partition()\n",
     "\n",
+    "\n",
     "if __name__ == '__main__':\n",
     "    main()"
    ]

linked_lists/partition/test_partition.py

@@ -37,9 +37,11 @@ class TestPartition(object):
 
         print('Success: test_partition')
 
+
 def main():
     test = TestPartition()
     test.test_partition()
 
+
 if __name__ == '__main__':
     main()

linked_lists/remove_duplicates/remove_duplicates_challenge.ipynb

@@ -34,7 +34,6 @@
    "source": [
     "## Constraints\n",
     "\n",
-
     "* Is this a singly or doubly linked list?\n",
     "    * Singly\n",
     "* Can you insert None values in the list?\n",
@@ -154,11 +153,13 @@
     "\n",
     "        print('Success: test_remove_dupes\\n')\n",
     "\n",
+    "\n",
     "def main():\n",
     "    test = TestRemoveDupes()\n",
     "    linked_list = MyLinkedList(None)\n",
     "    test.test_remove_dupes(linked_list)\n",
     "\n",
+    "\n",
     "if __name__ == '__main__':\n",
     "    main()"
    ]

linked_lists/remove_duplicates/remove_duplicates_solution.ipynb

@@ -34,7 +34,6 @@
    "source": [
     "## Constraints\n",
     "\n",
-
     "* Is this a singly or doubly linked list?\n",
     "    * Singly\n",
     "* Can you insert None values in the list?\n",
@@ -204,11 +203,13 @@
     "\n",
     "        print('Success: test_remove_dupes\\n')\n",
     "\n",
+    "\n",
     "def main():\n",
     "    test = TestRemoveDupes()\n",
     "    linked_list = MyLinkedList(None)\n",
     "    test.test_remove_dupes(linked_list)\n",
     "\n",
+    "\n",
     "if __name__ == '__main__':\n",
     "    main()"
    ]

linked_lists/remove_duplicates/test_remove_duplicates.py

@@ -27,10 +27,12 @@ class TestRemoveDupes(object):
 
         print('Success: test_remove_dupes\n')
 
+
 def main():
     test = TestRemoveDupes()
     linked_list = MyLinkedList(None)
     test.test_remove_dupes(linked_list)
 
+
 if __name__ == '__main__':
     main()