static void Main(string[] args) { Student.Student Akim = new Student.Student("Akim", "Lyubchenko", 4, 5, 6, 7); Student.Student Artem = new Student.Student("Artem", "Maklakov", 7, 8, 9, 10); Student.Student Nikita = new Student.Student("Nikita", "Makeychik", 3, 6, 9); Group.Group group2 = new Group.Group(2); group2.AddStudent(Akim); group2.AddStudent(Artem); group2.AddStudent(Nikita); System.Console.WriteLine($"AverageScore of group 2: {group2.AverageScore()}"); System.Console.WriteLine($"AverageScore of Akim 2: {Akim.AverageScore()}"); System.Console.ReadKey(); }