public void AddNota()
{
Console.Write("Id student: ");
string idStudent = Console.ReadLine();
Console.Write("Id tema: ");
string idTema = Console.ReadLine();
Console.Write("Nota: ");
int nota = Int32.Parse(Console.ReadLine());
Console.Write("Feedback: ");
string feedback = Console.ReadLine();
Service.AddNota(idStudent, idTema, nota, feedback);
}
