Sum string LAB RESTRICTIONS, PLEASE READ:Do not add any imports, the ones that you need will be given to you.You may not use any lists or list methods, or any while loops.Within your loops, you MUST NOT use any break or continue statements.Please also do not use try-except statements, you should be able to anticipateor prevent any errors from happening at all! Edef sum string(string: str) -> int:Given a string , return the sum of this string, as computed by theformula given below:To compute the sum of a string as defined by this function, we add everyodd positioned digit, and subtract every even positioned digit. For example,if we had an input of "54321", we would add 5, subtract 4, add 3, subtract2, and add 1, bringing us to a total of 3. In other words, you would add thefirst digit, subtract the second digit, and keep alternating until you reachthe end of the string. If the string is empty, then the sum is 0.Note: since we give the input as a string, you will have to do some typeconversion in order to solve this problem.Precondition: will only contain the characters 0-9.pass

import java.util.*; // here we import util package// public class main // creation of a class…

Answered: To compute the sum of a string as…

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...

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