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  1. Prepare
  2. Data Structures
  3. Linked Lists
  4. Insert a node at a specific position in a linked list
  5. Discussions

Insert a node at a specific position in a linked list

  • chaitanya_14795
     + 2 comments

    Thanks your explanation cleared my doubt about how the test case is working.

    Here is the python version of it if anyone is interested.

    def InsertNth(head, data, position):
    if not position == 0:
        _head = head
        current_position = 1
        while(position - current_position>0):
            _head = _head.next
            current_position+=1
        if _head.next is None:
            _head.next = Node(data,None)
            return head
        else:
            prev = _head.next
            _head.next = Node(data,prev)
            return head
    else:
        return Node(data,head)