This code needs to be modular, with function prototype, function call and function definition

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
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This code needs to be modular, with function prototype, function call and function definition

#include <iostream>

using namespace std;

int main()
{
string input;
cout<<"Enter 10 character phone number using letters: "<<endl;\
cin>>input;
cout <<endl;
cout <<"Here are the number for the letters you used: "<<endl;

for (int i = 0; i < input.length(); i++) {

if(input[i]=='A' || input[i]=='B' || input[i]=='C')
{
cout<<2;
}
else if(input[i]=='D' || input[i]=='E' || input[i]=='F')
{
cout<<3;
}
else if(input[i]=='G' || input[i]=='H' || input[i]=='I')
{
cout<<4;
}
else if(input[i]=='J' || input[i]=='K' || input[i]=='L')
{
cout<<5;
}
else if(input[i]=='M' || input[i]=='N' || input[i]=='O')
{
cout<<6;
}
else if(input[i]=='P' || input[i]=='Q' || input[i]=='R' || input[i]=='S')
{
cout<<7;
}
else if(input[i]=='T' || input[i]=='U' || input[i]=='V')
{
cout<<8;
}
else if(input[i]=='W' || input[i]=='X' || input[i]=='Y' || input[i]=='Z')
{
cout<<9;
}

else
{
cout<<input[i];
}
}
cout << endl;
return 0;
}

 

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