using System; using System.Linq; using System.Collections; using System.Collections.Generic;
public class MainClass { public static void Main() {
IEnumerable<int> intSequence = Enumerable.Range(1, 10);
foreach (int item in intSequence)
Console.WriteLine(item); int sum = intSequence.Aggregate(0, (s, i) => s + i);
Console.WriteLine(sum);
}
}