text: #include <iostream>
  #include <map>
  
  
  int main()
  {
      using namespace std;
  
      map<int, string> numberNames { {2, "two"} };
  
      for (unsigned long i = 0; i < numberNames.size(); i++)
      {
          std::cout << numberNames[i] << ",";
      }
  
      return 0;
  }
  
  