**Bold** *italic* [link](https://duckduckgo.com)
- list 1
- list 2
- list 3
### heading
or
heading
--------------
~~del~~ `inline code` 
******
> blockquote ...
> ...
```
code
x=y
```
pre with 4 spaces
pre with 4 spaces
-----
1. ol list 1
2. ol list 2
3. ol list 3
* * *
