find last(['a', 'b', 2 , 'a'], 'b') >>> >>» ind = find_last(['a', 'b', 'b', 'a'], 'c')

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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• find_last(my_list, x): Takes two inputs: the first being a list and the second being any type.
Returns the index of the last element of the list which is equal to the second input; if it cannot be
found, returns None instead.
>> find_last(['a', 'b', 'b', 'a'], 'b')
2
>>> ind = find_last(['a', 'b', 'b', 'a'], 'c')
>>> print(ind)
None
Transcribed Image Text:• find_last(my_list, x): Takes two inputs: the first being a list and the second being any type. Returns the index of the last element of the list which is equal to the second input; if it cannot be found, returns None instead. >> find_last(['a', 'b', 'b', 'a'], 'b') 2 >>> ind = find_last(['a', 'b', 'b', 'a'], 'c') >>> print(ind) None
Expert Solution
Step 1

include <iostream>  

#include<math.h>

using namespace std; 



int main()

{

char arr[4]={'a','b','c','a'};

char key='a';

int p;

for(int i=4;i>0;i--)

{

    if(arr[i]==key)

    {

p=i;

    }

}

cout<<p;



return 0;

}

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