test-code-fold

代码

/* 空一行然后插入代码块然后空一行 */

import numpy as np
x = 1
y = 2
print(x+y)

source code:

<details>
<summary> 代码 </summary>

/* 空一行然后插入代码块然后空一行 */
```
import numpy as np
x = 1
y = 2
print(x+y)
```

</details>