Write down the insertBefore method which inserts a new element in the list before the node containing the given element.The method takes as parameters a dummy headed doubly linked circular list, the element existing in the list and new element to be added.

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
icon
Related questions
Question

IN PYTHON

5. Write down the insertBefore method which inserts a new element in the list before the
node containing the given element.The method takes as parameters a dummy headed
doubly linked circular list, the element existing in the list and new element to be
added.
public void insertBefore (Node head, Object elem, Object newElement){
//to do
}
OR
def insertBefore (head, elem, newElement):
pass
insertBefore (head, 3, 50)
Sample Input
Sample Output
O x ²1 2 22324 0
O x²]2 2 50 ² 3 24 0
Transcribed Image Text:5. Write down the insertBefore method which inserts a new element in the list before the node containing the given element.The method takes as parameters a dummy headed doubly linked circular list, the element existing in the list and new element to be added. public void insertBefore (Node head, Object elem, Object newElement){ //to do } OR def insertBefore (head, elem, newElement): pass insertBefore (head, 3, 50) Sample Input Sample Output O x ²1 2 22324 0 O x²]2 2 50 ² 3 24 0
Expert Solution
steps

Step by step

Solved in 3 steps with 3 images

Blurred answer
Recommended textbooks for you
Computer Networking: A Top-Down Approach (7th Edi…
Computer Networking: A Top-Down Approach (7th Edi…
Computer Engineering
ISBN:
9780133594140
Author:
James Kurose, Keith Ross
Publisher:
PEARSON
Computer Organization and Design MIPS Edition, Fi…
Computer Organization and Design MIPS Edition, Fi…
Computer Engineering
ISBN:
9780124077263
Author:
David A. Patterson, John L. Hennessy
Publisher:
Elsevier Science
Network+ Guide to Networks (MindTap Course List)
Network+ Guide to Networks (MindTap Course List)
Computer Engineering
ISBN:
9781337569330
Author:
Jill West, Tamara Dean, Jean Andrews
Publisher:
Cengage Learning
Concepts of Database Management
Concepts of Database Management
Computer Engineering
ISBN:
9781337093422
Author:
Joy L. Starks, Philip J. Pratt, Mary Z. Last
Publisher:
Cengage Learning
Prelude to Programming
Prelude to Programming
Computer Engineering
ISBN:
9780133750423
Author:
VENIT, Stewart
Publisher:
Pearson Education
Sc Business Data Communications and Networking, T…
Sc Business Data Communications and Networking, T…
Computer Engineering
ISBN:
9781119368830
Author:
FITZGERALD
Publisher:
WILEY