Question: Suppose we want to extend the PositionalList abstract data type with a method, findPosition(e), that returns the first position containing an element equal to e

Suppose we want to extend the PositionalList abstract data type with a method, findPosition(e), that returns the first position containing an element equal to e (or null if no such position exists). Show how to implement this method using only existing methods of the PositionalList interface (not details of our LinkedPositionalList implementation).

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