public static string GetShortName(Student person)
{
StringBuilder shortName = new StringBuilder(person.GetLastName() + " ");
shortName.Append(person.GetName()[0] + ".");
return(shortName.ToString());
}
public static void PrintStudent(Student person)
{
Console.Write($"\nStudent: {person.GetName()} {person.GetLastName()} \nId: {person.GetStudNumber()}" +
$"\nStudent since: {person.GetEnterDate().ToShortDateString()}");
}