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  1. using System;
  2. using System.Collections;
  3. using System.Collections.Generic;
  4. using System.Linq;
  5.  
  6. public class Test
  7. {
  8. public static void Main()
  9. {
  10. List<string> _ids = new List<string>() { "aaa", "bbb", "ccc", "ddd" };
  11. var first = _ids.First();
  12. var last = _ids.Last();
  13. Console.WriteLine(first);
  14. Console.WriteLine(last);
  15. }
  16. }
Success #stdin #stdout 0.02s 33928KB
stdin
Standard input is empty
stdout
aaa
ddd