static void Main(string[] args)
        {
            University university = new University();
            Lecturer   lecturer   = new Lecturer(university);
            Student    student    = new Student("Коля", university);
            Computer   computer   = new Computer();

            student.Studying_at_the_university(computer);
            Copybook copybook       = new Copybook();
            IStudy   copybook_study = new CopybookToStudyAdapter(copybook);

            student.Studying_at_the_university(copybook_study);
            university.Generate_marks();
            student.Stop_mark();
            Console.ReadKey();
        }
 public CopybookToStudyAdapter(Copybook c)
 {
     copybook = c;
 }