# H1
## H2
### H3
#### H4
##### H5
###### H6*Italic* or _Italic_
**Bold** or __Bold__
~~Strikethrough~~- Item 1
- Item 2
- Subitem 2.1
- Subitem 2.21. First item
2. Second item
1. Subitem 2.1
2. Subitem 2.2[OpenAI](https://openai.com)
[GitHub](https://github.com)
`inline code````python
print("Hello, world!")```javascript
console.log("Hello, world!");```c++
#include <iostream>
int main() {
std::cout << "Hello, world!" << std::endl;
return 0;
}
### Blockquotes
```markdown
> This is a blockquote.| Header 1 | Header 2 |
|----------|----------|
| Row 1 | Data 1 |
| Row 2 | Data 2 |- [x] Task 1
- [ ] Task 2---\*This is not italic\*# Project Title
## Table of Contents
- [Introduction](#introduction)
- [Installation](#installation)
- [Usage](#usage)
- [Contributing](#contributing)
- [License](#license)
## Introduction
Briefly describe your project.
## Installation
```sh
# Install dependencies
git clone https://github.com/your-repo.git
cd your-repo
npm install# Run the project
npm startGuidelines for contributing.
Specify the license.