public void Update(StockSubject sub)
{
foreach (var port in portfolios)
{
foreach (Stock stonk in port.StockList)
{
Console.WriteLine($"{stonk.Name}: {stonk.Value}");
}
}
}
public void Update(StockSubject su)
{
CalculateTotalValue();
Console.WriteLine("Current portfolio value: " + TotalValue);
}