public void ShowAssignments()
{
if (Assignments.Any())
{
Assignments.ToList().ForEach(x => Console.WriteLine($"{x.AID}, First Name: {x.title}, " +
$"Last Name: {x.description}, Subject: {x.subDateTime}"));
}
else
{
Console.WriteLine("There are no assignments yet!");
}
Console.WriteLine();
}
public List <int> GetAssignmentsID()
{
List <int> list = Assignments.ToList().Select(st => st.AID).ToList();
return(list);
}