从一列的多行创建一个逗号分隔的字符串？

# 假设列表为 list_of_items
list_of_items = ['item1', 'item2', 'item3']
comma_separated_string = ','.join(list_of_items)
print(comma_separated_string)

// 假设数组为 array_of_items
const array_of_items = ['item1', 'item2', 'item3'];
const comma_separated_string = array_of_items.join(',');
console.log(comma_separated_string);

import java.util.Arrays;
import java.util.List;

public class Main {
    public static void main(String[] args) {
        // 假设列表为 list_of_items
        List<String> list_of_items = Arrays.asList("item1", "item2", "item3");
        String comma_separated_string = String.join(",", list_of_items);
        System.out.println(comma_separated_string);
    }
}

using System;
using System.Collections.Generic;

class Program {
    static void Main() {
        // 假设列表为 list_of_items
        List<string> list_of_items = new List<string> { "item1", "item2", "item3" };
        string comma_separated_string = string.Join(",", list_of_items);
        Console.WriteLine(comma_separated_string);
    }
}