static void Main(string[] args) { University university = new University("CH.U.I."); Student student1 = new Student("Andrew"); Student student2 = new Student("Julia"); Student student3 = new Student("Maria"); Student student4 = new Student("Anton"); Student student5 = new Student("Dmitry"); Student student6 = new Student("Vladislav"); Student student7 = new Student("Olexandr"); Student student8 = new Student("Nataliya"); Student student9 = new Student("Yevgeniy"); student1.SetKnowledgeLevel(35); student2.SetKnowledgeLevel(3); student3.SetKnowledgeLevel(99); student4.SetKnowledgeLevel(86); student5.SetKnowledgeLevel(12); student6.SetKnowledgeLevel(58); student7.SetKnowledgeLevel(32); student8.SetKnowledgeLevel(81); student9.SetKnowledgeLevel(70); university.AddStudent(student1); university.AddStudent(student2); university.AddStudent(student3); university.AddStudent(student4); university.AddStudent(student5); university.AddStudent(student6); university.AddStudent(student7); university.AddStudent(student8); university.AddStudent(student9); Internship internship = new Internship("Interlink"); internship.AddAllStudents_FromUniversity(university); Console.WriteLine(university.GetMidlKnowledgeStr()); Console.WriteLine("////////////////////////////////"); Console.WriteLine("List of internship's students:"); Console.WriteLine(internship.GetStudentsStr()); Console.WriteLine("////////////////////////////////"); Console.WriteLine($"List of {university.GetName()} students:"); Console.WriteLine(university.GetStudentsStr()); }