Updating save practices for students in main

MAIN.cpp

@@ -23,6 +23,7 @@ int main() {
         cin >> currentUser;
         if (cin) {
             if(currentUser == teacher.getExitCode()) {
+                
                 keepRunning = false;
             }
             else if (currentUser == teacher.getUserName()) {
@@ -35,14 +36,17 @@ int main() {
             }
             else if (teacher.checkRoster(currentUser) >= 0) {
                 int currentUserIndex = teacher.checkRoster(currentUser);
+                // Make new student object and copy all their info from teacher vector
                 Student currentStudent;
                 currentStudent = teacher.getStudent(currentUserIndex);
-                // Current user (Student object) : currentStudent
-                
+                // Current user (Student object) is currentStudent
                 
                 
                 
+                // save any changes back into teacher vector
                 teacher.setStudent(currentStudent);
+                // save any changes to the file.
+                teacher.saveProgress();
             }
             else {
                 cin.clear();

Teacher.h

@@ -40,8 +40,6 @@ class Teacher {
         void setUserName(string userNameIn);
         void setStudent(Student studentIn); // I think it's safe to say that studentIn will be a student in the vector; so the function will find where the student goes in the vector by itself 
         
-        // vector<Student> roster;
-        
     private:
         bool teacherMenuActive = 1;
         string userName;