public SavingAccounts CreateSavingAccount(string firstName, string lastName, long pesel)
{
int id = generateId();
SavingAccounts account = new SavingAccounts(id, firstName, lastName, pesel);
_accounts.Add(account);
return(account);
}
static void Main(string[] args)
{
CheckingAccounts c1 = new CheckingAccounts("Nishat Tasnim Khan", 50000);
c1.Show();
c1.CheckAccount();
c1.Deposit(3500);
c1.Withdraw(45000);
Console.WriteLine();
SavingAccounts s1 = new SavingAccounts("Erfanul Haq", 100000000);
s1.Show();
s1.Deposit(25839);
s1.Interest();
}