> For the complete documentation index, see [llms.txt](https://academy.dnanexus.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://academy.dnanexus.com/buildingworkflows/wdl.md).

# WDL

In this section, you will build the same applet examples from `bash` and Python as *tasks*, and then graduate to building workflows by chaining tasks together.