public void RemoveDiscipline(Discipline discipline)
{
if (!this.Disciplines.Contains(discipline))
{
this.Disciplines.Remove(discipline);
}
else
{
Console.WriteLine("The discipline was not found");
}
}
public void AddDiscipline(Discipline discipline)
{
if (!this.Disciplines.Contains(discipline))
{
this.Disciplines.Add(discipline);
}
else
{
Console.WriteLine("This teacher already teaches this discipline");
}
}