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please answer all the question in C++ language

Section 4 (29 points) Missing Code doublyLinkedList::isEmptyListo) return (head == NULL); 30. Consider the accompanying state
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`Hey,

Note: Brother if you have any queries related the answer please do comment. I would be very happy to resolve all your queries.

30)

The missing code is bool

31)

It creates a new node with value 23

32)

THE CODE BASICALLY PRINTS THE VALUES STORED IN LINKED LIST SEPARATED BY SPACE

Kindly revert for any queries

Thanks.

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