如何将包含其他类列表的类列表转换为C#中的XML

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Xml.Serialization;

// 定义Student类
public class Student
{
    public string Name { get; set; }
    public int Age { get; set; }
    public List<Course> Courses { get; set; }
}

// 定义Course类
public class Course
{
    public string Name { get; set; }
    public int Credits { get; set; }
}

// 主程序
public class Program
{
    public static void Main(string[] args)
    {
        // 创建学生列表
        List<Student> students = new List<Student>
        {
            new Student
            {
                Name = "Alice",
                Age = 20,
                Courses = new List<Course>
                {
                    new Course { Name = "Math", Credits = 3 },
                    new Course { Name = "English", Credits = 4 }
                }
            },
            new Student
            {
                Name = "Bob",
                Age = 22,
                Courses = new List<Course>
                {
                    new Course { Name = "Physics", Credits = 4 },
                    new Course { Name = "Chemistry", Credits = 3 }
                }
            }
        };

        // 将学生列表转换为XML
        string xml = SerializeToXml(students);
        Console.WriteLine(xml);
    }

    // 将对象序列化为XML字符串
    public static string SerializeToXml<T>(T obj)
    {
        XmlSerializer serializer = new XmlSerializer(typeof(T));
        using (StringWriter writer = new StringWriter())
        {
            serializer.Serialize(writer, obj);
            return writer.ToString();
        }
    }
}

<ArrayOfStudent xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
  <Student>
    <Name>Alice</Name>
    <Age>20</Age>
    <Courses>
      <Course>
        <Name>Math</Name>
        <Credits>3</Credits>
      </Course>
      <Course>
        <Name>English</Name>
        <Credits>4</Credits>
      </Course>
    </Courses>
  </Student>
  <Student>
    <Name>Bob</Name>
    <Age>22</Age>
    <Courses>
      <Course>
        <Name>Physics</Name>
        <Credits>4</Credits>
      </Course>
      <Course>
        <Name>Chemistry</Name>
        <Credits>3</Credits>
      </Course>
    </Courses>
  </Student>
</ArrayOfStudent>