Complete the method listTransform(head). You are given a singly linked circular list. You have to write a python/JAVA program that transforms the given singly list to a dummy headed doubly linked list. Note that you are not allowed to use/create a separate linked list. You cannot use any additional methods other than countNode(). Return head at the end. The Node class is given below. [Note: When the list is singly linked the value of prev is none/null.]

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