2.3.14.1 Maps - operations

#include <iostream>
#include <map>
#include <string>

using namespace std;

int main()
{
    map<string, int> results = { {"Sarah", 15 }, {"John", 12 }, {"Bart", 17} };

    for(auto r : results){
        cout << r.first << " result is : " << r.second << endl;
    }
cout << endl;
    results.erase("Bart");
    for(auto r : results){
        cout << r.first << " result is : " << r.second << endl;
    }
    cout << endl;

    results.insert(std::pair<string,int>("Bob",16));
    for(auto r : results){
        cout << r.first << " result is : " << r.second << endl;
    }

    return 0;
}