This notebook uses the commandline tools
lolcat, which were automatically installed because we included them in our apt.txt file.
The cell uses them in a system shell (note the exclamation mark) to fancify the Zen of Python.
/usr/gamesby the system's package manager and that directory is not in the path) by default. The
postBuildfile is used to add
/usr/gamesto the path.
!python -c "import this" | /usr/games/cowsay | /usr/games/lolcat