
Apply these rules to structure content effectively:
# H1## H2### H3 - First item- Second item *Italic* → ItalicBold → Bold `` `print("Hello World")` `` → print("Hello World") > > This is quoted text This is quoted text
[Google](https://www.google.com) Google  
“Markdown allows you to write using an easy-to-read, easy-to-write plain text format.” [Source: John Gruber's Markdown Project]
// Practical code examplefunction formatMarkdown(text) { return text.replace(/**(.*?)**/g, '<strong>$1</strong>');}# for main headings, ## for subheadings*literal asterisk*学好网
学好网
学好网
学好网