//Upate
        public bool UpdateCustomerInformation(int r, KomodoCustomers newCustomer)
        {
            KomodoCustomers oldCustomer = GetCustomerById(r);

            if (oldCustomer != null)
            {
                oldCustomer.Age             = newCustomer.Age;
                oldCustomer.LastName        = newCustomer.LastName;
                oldCustomer.Id              = newCustomer.Id;
                oldCustomer.YearsAsCustomer = newCustomer.YearsAsCustomer;
                return(true);
            }
            else
            {
                return(false);
            }
        }
        //Delete
        public bool DeleteExistingCustomer(KomodoCustomers s)
        {
            bool deleteResult = _listOfCustomers.Remove(s);

            return(deleteResult);
        }
 //Create
 public KomodoCustomers AddCustmoerToList(KomodoCustomers s)
 {
     _listOfCustomers.Add(s);
     return(s);
 }