Markdown内容折叠功能

details+summary

PS: 下面空一行

<details>
    <summary>展开查看</summary>
    content ...
</details>

example

<details>
<summary>展开查看</summary>
<pre>
import time
def hello(name='world'):
    print(f'hello {name}, {time.asctime()}')
if __name__ == '__main__':
    hello()
</pre>
```python
import time
def hello(name='world'):
    print(f'hello {name}, {time.asctime()}')
if __name__ == '__main__':
    hello()

```