using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
class Customer
{
public string ID { get; set; }
public string City { get; set; }
public string Country { get; set; }
public string Region { get; set; }
public decimal Sales { get; set; }
}
class Program
{
static void Main(string[] args)
{
List customers = new List {
new Customer { ID="P", City="Tehran", Country="Iran", Region="Asia", Sales=7000 },
new Customer { ID="Q", City="London", Country="UK", Region="Europe", Sales=8000 },
new Customer { ID="R", City="Beijing", Country="China", Region="Asia", Sales=9000 },
new Customer { ID="T", City="Lima", Country="Peru", Region="South America", Sales=2002 }
};
bool anyUSA = customers.Any(c => c.Country == "USA");
Console.WriteLine(anyUSA);
}
}