Problem 1: 4 marks Complete the function given below that deletes the last two nodes. Assume that this function is part of the LinkedList class and the function can access the Node *head. Do not write the main function. Do no use Item Type class. Do not call any other function from this function. Make sure no memory leak occurs. void deleteLastTwoNodes(XX Il complete this function } Example: LinkedList before: head->5->3->8 LinkedList after head->5 LinkedList before: head->9->5->3->8 LinkedList after head->9->5 LinkedList before: head->3->8 LinkedList after head-> LinkedList before: head-> LinkedList after head->