PY
py
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# Created by Izaiah Kay
# main() added by Rain
'''
Doubly linked list reverser
'''
# Trial code
class Node:
def __init__(self, data):
self.data = data
self.next = None
self.prev = None
# Added a 'prev' pointer
def reverse_doubly_linked_list(head):
current = head
while current is not None:
current.next, current.prev = current.prev, current.next
current = current.prev
head = current.prev
return head
# reversed_head = reverse_doubly_linked_list(head)
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OUTPUT
Run