C#如何在List集合中查找值

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

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

        int valueToFind = 3;

        var foundValue = numbers.FirstOrDefault(x => x == valueToFind);

        if (foundValue != 0)
        {
            Console.WriteLine($"找到了值：{foundValue}");
        }
        else
        {
            Console.WriteLine("未找到值");
        }
    }
}

var foundValues = numbers.Where(x => x > 3);