LQ1

using System;
using System.Linq;

namespace ClassWork
{
    internal class Program
    {
        public static void Main(string[] args)
        {
            var numbs = new[]{ 1, 2, 3, 4 };
            var numbsFinal = Function(numbs, 3);

            foreach (var numb in numbsFinal) Console.WriteLine(numb);
        }

        public static T[] Function<T>(T[] values, int k)
        {
            return values
                .Skip(k)
                .Concat(values.Take(k))
                .ToArray();
        }
    }
}