Question: Suppose we want to extend the PositionalList abstract data type with a method, indexOf(p), that returns the current index of the element stored at position

Suppose we want to extend the PositionalList abstract data type with a method, indexOf(p), that returns the current index of the element stored at position p. Show how to implement this method using only other methods of the Positional-List interface (not details of our LinkedPositionalList implementation).

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