Write a C# Sharp program to check a specified number is present in a given array of integers

using System;
using System.Linq;
namespace exercises
{
   class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine(test(new[] {1,2,9,3}, 3));
            Console.WriteLine(test(new[] {1,2,2,3}, 2));
            Console.WriteLine(test(new[] {1,2,2,3}, 9));
            Console.ReadLine();
        }
       public static bool test(int[] numbers, int n)
        {
            if (numbers.Contains(n))
            return true;
            return false;
        }
   }
}