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Hrite a function named pairs (a, b,c, d) that takes four integers as its input and checks whether the sum of any two of these integers is equal to the s um of the other two. If so, the function RETURNS this sum. Otherwise, it RETURNS -1. For example, pairs (1,2,3,4) should return 5, because 1 + 4 = 2 + 3 = 5. Another example, `pairs (11,22,13, 20) should return 33, because 11 + 22 - 13 + 20 = 33. Another example, `pairs (1,2,3,5) should return -1, because no such two pairs exist among these numbers. def pairs(a,b, c, d): * remove the following line to solve this question return

Hrite a function named pairs (a, b,c, d) that takes four integers as its input and checks whether the sum of any two of these integers is equal to the s um of the other two. If so, the function RETURNS this sum. Otherwise, it RETURNS -1. For example, pairs (1,2,3,4) should return 5, because 1 + 4 = 2 + 3 = 5. Another example, `pairs (11,22,13, 20) should return 33, because 11 + 22 - 13 + 20 = 33. Another example, `pairs (1,2,3,5) should return -1, because no such two pairs exist among these numbers. def pairs(a,b, c, d): * remove the following line to solve this question return

Computer Networking: A Top-Down Approach (7th Edition)
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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Write a function named pairs (a, b, c, d) that takes four integers as its input and checks whether the sum of any two of these integers is equal to the sum of the other two. If so, the function RETURNS this sum. Otherwise, it RETURNS -1. For example, pairs (1,2,3,4) should return 5, because 1 + 4 = 2 + 3 = 5. Another example, pairs (11, 22,13, 20) should return 33, because 11 + 22 = 13 + 20 = 33. Another example, 'pairs (1,2,3,5) should return -1, because no such two pairs exist among these numbers. def pairs (a, b,c, d): # remove the following line to solve this question return
Transcribed Image Text:Write a function named pairs (a, b, c, d) that takes four integers as its input and checks whether the sum of any two of these integers is equal to the sum of the other two. If so, the function RETURNS this sum. Otherwise, it RETURNS -1. For example, pairs (1,2,3,4) should return 5, because 1 + 4 = 2 + 3 = 5. Another example, pairs (11, 22,13, 20) should return 33, because 11 + 22 = 13 + 20 = 33. Another example, 'pairs (1,2,3,5) should return -1, because no such two pairs exist among these numbers. def pairs (a, b,c, d): # remove the following line to solve this question return
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