Implement a function pairsThatSum thataccepts two arguments:1. a target number2. a list of numbersthe function then returns a list of tuple s that contains all pairs of numbers from the list that sum to the given target number. Note:the pair can be two numbers with the same value, e.g. (2,2) but these must be different items (have different locations) in the list. See the last example below.each pair should be reported only once (don't include a pair and its reverse), andeach pair's values should be listed in the order that they occur in the list. E.g., the first example records the pair (0,3) instead of the pair (3,0) , because 0 occurs in the list before 4 .the list of pairs should be ordered by the order of the first value in the list, e.g., (0,3) comes before (1,2) because 0 comes before 1 in the list. (note: if you take the right approach, you won't have to do anything extra for this requirement) Below is an example of the output from the code:>>> pairsThatSum( 3, [0,1,2,3] )[(0, 3), (1, 2)]>>> pairsThatSum( 6, [0,1,2,3] )[]>>> pairsThatSum( 4, [0,1,2,3,4,2] )[(0, 4), (1, 3), (2, 2)]

Answered: Implement a function pairsThatSum that…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Implement a function pairsThatSum that

accepts two arguments:

1. a target number
2. a list of numbers

the function then returns a list of tuple s that contains all pairs of numbers from the list that sum to the given target number. Note:
the pair can be two numbers with the same value, e.g. (2,2) but these must be different items (have different locations) in the list. See the last example below.
each pair should be reported only once (don't include a pair and its reverse), and
each pair's values should be listed in the order that they occur in the list. E.g., the first example records the pair (0,3) instead of the pair (3,0) , because 0 occurs in the list before 4 .
the list of pairs should be ordered by the order of the first value in the list, e.g., (0,3) comes before (1,2) because 0 comes before 1 in the list. (note: if you take the right approach, you won't have to do anything extra for this requirement)

Below is an example of the output from the code:

>>> pairsThatSum( 3, [0,1,2,3] )
[(0, 3), (1, 2)]
>>> pairsThatSum( 6, [0,1,2,3] )
[]
>>> pairsThatSum( 4, [0,1,2,3,4,2] )
[(0, 4), (1, 3), (2, 2)]

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