From 33d199b7c53ed64ef997b1540562523c93d3a2e8 Mon Sep 17 00:00:00 2001
From: liulingfei-1 <b3679536@qq.com>
Date: Sun, 10 Aug 2025 00:59:44 +0800
Subject: [PATCH] Fix typos, correct C++ bug, and add Python test

---
 HelloWorld.py       | 3 ++-
 Helloworld.cpp      | 4 ++--
 README.md           | 4 ++--
 tests/test_hello.py | 6 ++++++
 4 files changed, 12 insertions(+), 5 deletions(-)
 create mode 100644 tests/test_hello.py

diff --git a/HelloWorld.py b/HelloWorld.py
index 3568c85..2200e6a 100644
--- a/HelloWorld.py
+++ b/HelloWorld.py
@@ -1,2 +1,3 @@
 #!/usr/bin/python3
-print("Hello,world!")
+# Prints "Hello, World!" to the console
+print("Hello, World!")
diff --git a/Helloworld.cpp b/Helloworld.cpp
index 6d8dc27..0203d9e 100644
--- a/Helloworld.cpp
+++ b/Helloworld.cpp
@@ -1,5 +1,5 @@
-#include <bits/stdc++.h>
+#include <iostream>
 int main (){
-    std:: cout << "Hello,World!" << std:: endl;
+    std::cout << "Hello, World!" << std::endl;
     return 0;
 }
diff --git a/README.md b/README.md
index d7d526e..d878d44 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,2 @@
-# Hello-World-
-My first repository in Github
+# Hello World
+My first repository on GitHub. A collection of Hello World programs in various languages.
diff --git a/tests/test_hello.py b/tests/test_hello.py
new file mode 100644
index 0000000..eb00827
--- /dev/null
+++ b/tests/test_hello.py
@@ -0,0 +1,6 @@
+import subprocess
+import sys
+
+def test_python_output():
+    result = subprocess.run([sys.executable, "HelloWorld.py"], capture_output=True, text=True, check=True)
+    assert result.stdout.strip() == "Hello, World!"