static void Main(string[] args) { var products = ProductHelper.Products(); ProductHelper.SearchByCategory(products, Category.ItEquipment); Console.WriteLine("--------------------------------------"); ProductHelper.FilterProductsByPrice(products); Console.WriteLine("--------------------------------------"); ProductHelper.FindProductByPartOfName(products, "mo"); Console.WriteLine("--------------------------------------"); ProductHelper.ProductIDs(products); Console.WriteLine("--------------------------------------"); ProductHelper.GetProductPrice(products, 8); Console.WriteLine("--------------------------------------"); ProductHelper.CheapestProduct(products); Console.WriteLine("--------------------------------------"); ProductHelper.TheMostExpensiveProduct(products); Console.WriteLine("--------------------------------------"); ProductHelper.AddingNewProduct(products, "Usb", 120, Category.ItEquipment); Console.WriteLine("--------------------------------------"); ProductHelper.RemoveProduct(products, 15); }