Write a python program that takes a list from user containing both positive and negative numbers. The program then finds two pairs of values whose summation is closest to zero.

Computer Networking: A Top-Down Approach (7th Edition)
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Author:James Kurose, Keith Ross
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Please write the code in python. Please do not use any regular expressions or any built in function. Follow the question.
Write a python program that takes a list from user containing both positive and negative numbers. The program then finds two pairs of values
whose summation is closest to zero.
=================
====================
Sample Input 1
list one = [-10, 15, 2, 4, -4, 7, -8]
Sample Output 1
Two pairs which have the smallest sum = 4 and -4
===============
Sample Input 2
list_one = [1, -8, 4, -7, -20, 26, 70, -85]
Sample Output 2
Two pairs which have the smallest sum = 4 and -7
Transcribed Image Text:Write a python program that takes a list from user containing both positive and negative numbers. The program then finds two pairs of values whose summation is closest to zero. ================= ==================== Sample Input 1 list one = [-10, 15, 2, 4, -4, 7, -8] Sample Output 1 Two pairs which have the smallest sum = 4 and -4 =============== Sample Input 2 list_one = [1, -8, 4, -7, -20, 26, 70, -85] Sample Output 2 Two pairs which have the smallest sum = 4 and -7
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