public void RemovePennys(int numberOfPennys)
{
for (int i = 0; i < numberOfPennys; i--)
{
Penny penny = new Penny();
pennies.Remove(penny);
}
}
// member methods (Can do)
public void AddPennys(int numberOfPennies)
{
for (int i = 0; i < numberOfPennies; i++)
{
Penny penny = new Penny();
pennies.Add(penny);
}
}