Create a function that determines how many number pairs are embedded in a space-separated string. The first numeric value in the space-separated string represents the count of the numbers, thus, excluded in the pairings. Examples number_pairs("7 1 2 1 2 1 3 2″) → 2 // (1, 1), (2, 2) number_pairs("9 10 20 20 10 10 30 50 10 20") - 3 // (10, 10), (20, 20), (10, 10) number_pairs("4 2 3 4 1") 0 // Although two 4's are present, the first one is discounted.

Create a function that determines how many number pairs are embedded in a space-separated string. The first numeric value in the space-separated string represents the count of the numbers, thus, excluded in the pairings. Examples number_pairs("7 1 2 1 2 1 3 2″) → 2 // (1, 1), (2, 2) number_pairs("9 10 20 20 10 10 30 50 10 20") - 3 // (10, 10), (20, 20), (10, 10) number_pairs("4 2 3 4 1") 0 // Although two 4's are present, the first one is discounted.

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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Question

Create a function that determines how many number pairs are embedded
in a space-separated string. The first numeric value in the space-separated
string represents the count of the numbers, thus, excluded in the pairings.
Examples
number_pairs("7 1 2 1 2 1 3 2") 2
// (1, 1), (2, 2)
number_pairs ("9 10 20 20 10 10 30 50 10 20") 3
// (10, 10), (20, 20), (10, 10)
number_pairs("4 2 3 4 1") → 0
// Although two 4's are present, the first one is discounted.

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