> For the complete documentation index, see [llms.txt](https://nybble-q-cn.petoi.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://nybble-q-cn.petoi.com/api/micropython-kong-zhi-qi/page-4.md).

# Page 4