1) Implement and test DoublyLinked List class. Please put both Node and DoublyLinkedList class implemention in lab7_doublyLinked List.py for testing your code purpose. Print to screen and attach the output file (lab7_output.txt). 2) Print to the output file one line for each method name, indicating its complexity as 0(1), O(n), or O(n*n) for quadratic and so on.

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