How can I create a simple Hello, World! program in Python?

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csharp// Gistfile1.txt: 使用System;使用System.Collections.Generic;使用System.Linq;使用System.Web;使用System.Web.Mvc;// 命名空间MvcHelloWorld.Controllersnamespace MvcHelloWorld.Controllers{ public class HelloController : Controller { // GET: Hello public ActionResult Index() { } }}

using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.Mvc; namespace MvcHelloWorld.Controllers { public class HelloController : Controller { // GET: Hello public ActionResult Index() { return View(); } public string Welcome(string name,int times=1) { if (name == null) return "null"; string result = ""; result += "this is the Welcome action method..."; result += "name:" + name + ""; result += "times:" + times; return result; } } }