public override string ToString()
{
string result = $"Group: {Name}\r\n\tLector:\r\n\t\t{Lector.ToString()}\r\n\t\t\tStudents:";
foreach (Student student in Students)
{
result += $"\r\n\t\t\t\t{student.ToString()}";
}
return(result);
}
public Group(string name, Lector lector, Student[] students)
{
Name = name;
Lector = lector;
Students = students;
}