穿插在程序中，太复杂了喧宾夺主，太简单了不如注释。这样就刚刚好：
- Headers
# header 1
## header 2
### header 3
#### header 4
Output:
header 1
header 2
header 3
header 4
2. Horizontal Line
Use any of three to draw a horizontal line.
***
---
___
Output:
3. Text formatting
Text formatting is important in order to highlight important keywords.
a. Text color
<span style='color:green'> message/text </span>
<span style='color:Blue'> Blue is my favorite color. </span>
b. Text background
<span style='background:yellow'> message/text </span>
<span style='background :yellow' > Background color is yellow </span>
c. Text font-family
<span style='font-family:font_family name'> message </span>
<span style='font-family:Georgia'> It is Georgia font.
<span style='font-family:Helvetica'> It is Helvetica font.
<span style='font-family:"Times New Roman"'> <span styel=''>It is "Times New Roman" font.
<span style='font-family:serif'> It is serif font.
<span style='font-family:sans-serif'> It is sans-serif font.
d. Text Emphasis
*Italic* or _Italic_
**Bold**
***Bold and Italic***
Italic or Italic
Bold
Bold and Italic
4. Blockquotes
> 1 Blockquotes
>> 2 Blockquotes
>>> 3 Blockquotes
>>>> 4 Blockquotes
>>>>>>>> 8 Blockquotes
Output:
1 Blockquotes
2 Blockquotes
3 Blockquotes
4 Blockquotes
8 Blockquotes
5. List
1. Main list <br>
a. Sub-list <br>
b. sub list
2. Main list
* main list
Output:
- Main list
a. Sub-list
b. sub list - Main list
- main list
6. Table
| How | To | Make | a table|
| :---: | :---: | :---: | :---: |
| in | <span style= 'background:yellow'> Jupyter </span>| <span style= 'background:yellow'> Notebook </span>| <span style= 'background:yellow'> Markdown </span> |
| It | is | really| cool |
Note: Colons can be used to align columns.
:--- Left align
---: Right align
:---: Center align
Output:
| How | To | Make | a table |
|---|---|---|---|
| in | Jupyter | Notebook | Markdown |
| It | is | really | cool |
| Note: Colons can be used to align columns. | |||
| :— Left align | |||
| —: Right align | |||
| :—: Center align |
7. Link insertion
[My blog link ](https://blog.csdn.net/longwo888)
Output:
My blog link
