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0393 Concat

Contact returns all the elements of the first sequence, followed by all the elements of the second. using System; using System.Collections; using System.Collections.Generic; using System.Linq; class Program { static void Main() { int[] seq1 = { 1, 2, 3 }; int[] seq2 = { 3, 4, 5 }; IEnumerable<int> concat = seq1.Concat(seq2); foreach(int i in concat){ Console.WriteLine(i); } } } The output: 1 2 3 3 4 5