Markdown is a lightweight markup language with plain-text-formatting syntax, created in 2004 by John Gruber with Aaron Swartz. Markdown is often used to format readme files, for writing messages in online discussion forums, and to create rich text using a plain text editor.
Heading: ###H3 Sample
Bold: **bold text**
bold text
*italicized text*
> blockquote
blockquote
1. First item
1. Second item
1. Third item
Third item
- First item
- Second item
- Third item
Third item
Code: `code`
code
Horizontal Rule: ---
[title](https://www.example.com)
![alt text](https://via.placeholder.com/150)