C#更改Linq表达式的返回值

using System;
using System.Collections.Generic;
using System.Linq;

public class Program
{
    public static void Main()
    {
        List<int> numbers = new List<int> { 1, 2, 3, 4, 5 };

        // 使用Select方法修改返回值
        var modifiedNumbers = numbers.Select(n => n * 2);

        Console.WriteLine("修改后的返回值：");
        foreach (var number in modifiedNumbers)
        {
            Console.WriteLine(number);
        }
    }
}