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  1. Prepare
  2. Data Structures
  3. Linked Lists
  4. Reverse a doubly linked list
  5. Discussions

Reverse a doubly linked list

  • haotie
     + 2 comments

    python3 version:

    def Reverse(head):
    if not head:
        return head
    head.next, head.prev = head.prev, head.next
    if not head.prev:
        return head
    return Reverse(head.prev)