> For the complete documentation index, see [llms.txt](https://felienne.gitbook.io/codasium/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://felienne.gitbook.io/codasium/module-1.3-geschiedenis/les-4/les-4a.md).

# Les 4a

TODO: oefeningen while (kunnen op les 5 lijken)