update

.gitignore

@@ -30,3 +30,8 @@
 *.exe
 *.out
 *.app
+
+# Python cache
+__pycache__/
+*.pyc
+.pytest_cache/

HelloWorld.go

@@ -0,0 +1,5 @@
+package main
+import "fmt"
+func main() {
+    fmt.Println("Hello, World!")
+}

HelloWorld.java

@@ -1,5 +1,6 @@
-public class Helloworld{
-    public static void main(String[] args){
-        System.out.println("Hello,World!");
+public class HelloWorld {
+    public static void main(String[] args) {
+        // Print the traditional greeting.
+        System.out.println("Hello, World!");
     }
 }

HelloWorld.py

@@ -1,2 +1,4 @@
 #!/usr/bin/python3
-print("Hello,world!")
+"""Simple Hello World script."""
+
+print("Hello, World!")

HelloWorld.rb

@@ -0,0 +1 @@
+puts 'Hello, World!'

HelloWorld.rs

@@ -0,0 +1,3 @@
+fn main() {
+    println!("Hello, World!");
+}

HelloWorld.vb

@@ -2,6 +2,7 @@ Imports System
 
 Module HelloWorld
     Sub Main(args As String())
-        Console.WriteLine("Hello World!")
+        ' Display the greeting.
+        Console.WriteLine("Hello, World!")
     End Sub
 End Module

README.md

@@ -1,2 +1,80 @@
-# Hello-World-
-My first repository in Github
+# Hello World Collection
+
+[English](README.md) | [中文](README.zh.md)
+
+A curated set of minimal programs that print **"Hello, World"** in a variety of programming languages. This repository is useful for quick syntax lookups or verifying that a toolchain is configured correctly.
+
+## Supported languages
+
+- **C** – `HelloWorld.c`
+- **C#** – `HelloWorld.cs`
+- **C++** – `Helloworld.cpp`
+- **Java** – `HelloWorld.java`
+- **Python** – `HelloWorld.py`
+- **Visual Basic** – `HelloWorld.vb`
+- **TypeScript** – `Helloworld.ts`
+- **Go** – `HelloWorld.go`
+- **Ruby** – `HelloWorld.rb`
+- **Rust** – `HelloWorld.rs`
+
+## Running the examples
+Each example is a single file that prints `Hello, World!` to standard output. Compile or interpret the file using the toolchain for that language:
+
+### C
+```bash
+gcc HelloWorld.c -o hello && ./hello
+```
+
+### C#
+```bash
+csc HelloWorld.cs && ./HelloWorld.exe
+```
+
+### C++
+```bash
+g++ Helloworld.cpp -o hello && ./hello
+```
+
+### Java
+```bash
+javac HelloWorld.java && java HelloWorld
+```
+
+### Python
+```bash
+python3 HelloWorld.py
+```
+
+### Visual Basic
+```bash
+vbnc HelloWorld.vb && mono HelloWorld.exe
+```
+
+### TypeScript
+```bash
+tsc Helloworld.ts && node Helloworld.js
+```
+
+### Go
+```bash
+go run HelloWorld.go
+```
+
+### Ruby
+```bash
+ruby HelloWorld.rb
+```
+
+### Rust
+```bash
+rustc HelloWorld.rs && ./HelloWorld
+```
+
+## Contributing
+
+Feel free to submit pull requests that add new languages or improve existing examples.
+
+## License
+
+This project is licensed under the [MIT License](LICENSE).
+

README.zh.md

@@ -0,0 +1,81 @@
+# Hello World 集合
+
+[English](README.md) | 中文
+
+一组经过精心整理的最小程序集合，演示如何在多种编程语言中输出 **"Hello, World"**。此仓库可用于快速查阅语法或验证工具链是否配置正确。
+
+## 支持的语言
+
+- **C** – `HelloWorld.c`
+- **C#** – `HelloWorld.cs`
+- **C++** – `Helloworld.cpp`
+- **Java** – `HelloWorld.java`
+- **Python** – `HelloWorld.py`
+- **Visual Basic** – `HelloWorld.vb`
+- **TypeScript** – `Helloworld.ts`
+- **Go** – `HelloWorld.go`
+- **Ruby** – `HelloWorld.rb`
+- **Rust** – `HelloWorld.rs`
+
+## 运行示例
+
+每个示例都是一个输出 `Hello, World!` 到标准输出的单文件程序。根据所使用的语言，使用其相应的工具链来编译或解释：
+
+### C
+```bash
+gcc HelloWorld.c -o hello && ./hello
+```
+
+### C#
+```bash
+csc HelloWorld.cs && ./HelloWorld.exe
+```
+
+### C++
+```bash
+g++ Helloworld.cpp -o hello && ./hello
+```
+
+### Java
+```bash
+javac HelloWorld.java && java HelloWorld
+```
+
+### Python
+```bash
+python3 HelloWorld.py
+```
+
+### Visual Basic
+```bash
+vbnc HelloWorld.vb && mono HelloWorld.exe
+```
+
+### TypeScript
+```bash
+tsc Helloworld.ts && node Helloworld.js
+```
+
+### Go
+```bash
+go run HelloWorld.go
+```
+
+### Ruby
+```bash
+ruby HelloWorld.rb
+```
+
+### Rust
+```bash
+rustc HelloWorld.rs && ./HelloWorld
+```
+
+## 贡献
+
+欢迎提交 Pull Request 以添加新语言或改进现有示例。
+
+## 许可证
+
+本项目使用 [MIT 许可证](LICENSE)。
+

tests/test_hello.py

@@ -0,0 +1,8 @@
+import subprocess
+import sys
+from pathlib import Path
+
+def test_python_hello_output():
+    script = Path(__file__).resolve().parents[1] / 'HelloWorld.py'
+    result = subprocess.run([sys.executable, str(script)], capture_output=True, text=True, check=True)
+    assert result.stdout.strip() == 'Hello, World!'