PY
py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
# Created by Izaiah Kay
# fixed and main() added by Rain
'''
Doubly linked list reverser
'''
class Node:
def __init__(self, data):
self.data = data
self.next = None
self.prev = None
def reverse_doubly_linked_list(head):
current = head
while current is not None:
head = current # fixed
current.next, current.prev = current.prev, current.next
current = current.prev
return head
def main():
"""Demonstrate creating and reversing a doubly linked list."""
node1 = Node(1)
node2 = Node(2)
Enter to Rename, Shift+Enter to Preview
OUTPUT
Run