Course grade calculator

//Abdel alqawasmeh

#include <iostream>
#include <cmath>
#include <string>

using namespace std;

int main()
{
    int points = 0;
    string assignment;
    double score;
    double total;
    char choice = 'y';
    
     cout << "GRADE CALCULATOR\n"
          << "**************************\n"
          << "Please provide course grading and assignment details.\n"
          << "This program will caclulate total points earned and\n"
          << "display how many points are needed to earn different\n"
          << "letter grades for the course.\n"
          << "**************************\n";
     cout << "How many points possible for the course?: ";
     cin  >> points;

    while (tolower(choice == 'y'))
   {
      cout << endl;
      
      //getline (cin,assignment);
      cout << "ASSIGNMENT TITLE (ie week 1 lab, etc): ";
      cin >> assignment;
      getline (cin, assignment);
    
      cout << "score: ";
      cin >> score;
      
      cout << endl;
      
      cout << "Add another? (y/n): ";
      cin >> choice;
      total += score;
   }

      cout << endl;
      cout <<"**************************\n";
      cout <<"ASSIGNMENT\t\t\tSCORE";
       for (int i = 0; i < 10; i++) {
    cout << "For Counter Value: " << i << endl;
}
      cout << " " << assignment << endl;
      cout << endl;
      cout << "**************************\n";
    
    cout << " TOTAL POINTS POSSIBLE: " << points << endl;
    cout << " TOTAL POINTS EARNED: " << total << endl;
    cout << " POINTS NEEDED FOR A: " << endl;
    cout << " POINTS NEEDED FOR B: " << endl;
    cout << " POINTS NEEDED FOR C: " << endl;
    cout << " POINTS NEEDED FOR D: " << endl;
    cout << "**************************";
    
    return 0;
}

#include "Grade.h"

const double score = 0.0;{

set_score(score);

}

double Grade::get_score() const {
  return score;
}
void Grade::set_score(const double score){
  score = score;
}
std::string Grade::get_title()const{
  return title;
}
void Grade::set_title(const std::string& title){
  title = title;
}
std::ostream& operator<<(std::ostream& os, Grade& grade){
    os << "\nAssignment: " << grade.get_title()
        << "\nScore: " << grade.get_score()
        << "\nComments: ";

    std::vector<std::string>& comments = grade.get_comments();

    if (comments.empty()){
        os << "none\n";
    }

    // will not execute if comments is empty
    for (unsigned i = 0; i < comments.size(); ++i){
        os << i+1 << ". " << comments[i] << '\n';
    }
    return os;
}

#ifndef Grade_Calculator_H
#define Grade_Calculator_H

#include <string>
#include <vector>

class Grade
{
private:
  double score;
  std::string title;
  
public:
 Grade(double score_param = 0.0)
 {
   score = score_param;
 }
// getter and setter 
 double get_score() const
 {
   return score;
 }

 void set_score(double score_param)
 {
   score = score_param;
 }
  std::string get_title() const;
  void set_title(const std::string&);

//double get_gradeA();
//double get_gradeB();
//double get_gradeC();
//double get_gradeD();

};
#endif

#ifndef Grade_Calculator_H
#define Grade_Calculator_H

#include <cstdlib>
#include <iostream>
#include <iomanip>
#include <map>
#include <limits>
#include "Grade.H"