原文:C#将XML转换成JSON转换XML using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Xml; using Newtonsoft.Json; namespace JSonConverter { class Program { static void Main(string[] args) { string xml = "<Test>
Implement function ToLowerCase() that has a string parameter str, and returns the same string in lowercase. Example 1: Input: "Hello" Output: "hello" Example 2: Input: "here" Output: "here" Example 3: Input: "L