static void Main(string[] args)
{
Customer customer1 = new Customer();
customer1.id = 1;
customer1.name = "Yusif";
customer1.surname = "Mamedov";
customer1.age = 10;
Customer customer2 = new Customer();
customer2.id = 2;
customer2.name = "Zahid";
customer2.surname = "Mamedov";
customer2.age = 21;
Customer customer3 = new Customer();
customer3.id = 3;
customer3.name = "Cefer";
customer3.surname = "Babayev";
customer3.age = 25;
Customer customer4 = new Customer();
customer4.id = 4;
customer4.name = "Minaye";
customer4.surname = "Ehmedova";
customer4.age = 19;
Customer[] customers = new Customer[] { customer1, customer2, customer3, customer4 };
CustomerManager customerManager = new CustomerManager();
customerManager.CustomAdd(customer4);
Console.WriteLine("-------------------------");
customerManager.CustomList(customers);
Console.WriteLine("--------------------------");
customerManager.Delete(customer3);
}