拆分列表为子列表ID wise C#

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, 6, 7, 8, 9, 10 };

        int batchSize = 3; // 每个子列表的大小

        List<List<int>> subLists = SplitList(numbers, batchSize);

        foreach (List<int> subList in subLists)
        {
            int subListId = subLists.IndexOf(subList) + 1;
            Console.WriteLine("子列表ID: " + subListId);
            Console.WriteLine("子列表内容: " + string.Join(", ", subList));
            Console.WriteLine();
        }
    }

    public static List<List<int>> SplitList(List<int> list, int batchSize)
    {
        return list
            .Select((x, i) => new { Index = i, Value = x })
            .GroupBy(x => x.Index / batchSize)
            .Select(x => x.Select(v => v.Value).ToList())
            .ToList();
    }
}