> For the complete documentation index, see [llms.txt](https://denglj.gitbook.io/essential-go/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://denglj.gitbook.io/essential-go/common-standard-libraries/41-package-fmt.md).

# 41 fmt包

- [fmt基本用法](https://denglj.gitbook.io/essential-go/common-standard-libraries/41-package-fmt/basic-fmt.md)
- [Stringer接口](https://denglj.gitbook.io/essential-go/common-standard-libraries/41-package-fmt/stringer-interface.md)