> For the complete documentation index, see [llms.txt](https://www.oulan.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://www.oulan.com/2017/10/02.md). # 02 还记得昨天做过的练习么？今天它有了什么产出、产量？根据产出做改进，才能有进步，对吗？孔夫子说：“有颜回者好学，不迁怒，不贰过。”早安，世界。早安，未来。早安，进步的你。