using System;
using System.Linq;
public class Test
{
public static void Main()
{
var a15 = Enumerable.Range(1, 15).Select(p => p.ToString()).ToList();
var a10 = Enumerable.Range(1, 10).Select(p => (p * 10).ToString()).ToList();
var tmp = a15.ToArray();
a10.CopyTo(tmp);
a15 = tmp.ToList();
foreach (var item in a15)
Console.WriteLine(item);
}
}
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