//I think this is a better way for a for loop
//for like going through arrays or something
//hope you like it :)
//be sure to do #include <set>
int main()
{
set<char> letters = {'X', 'Y', 'Z'};
for (auto itr = letters.begin(); itr != letters.end(); ++itr){
cout << *itr << endl;
}
}