To get the full experience from this exercise do:
. ./setup.sh.
The user has ended up in a "detached head" state in the kata3-detached-head-master branch.
This is a scary situation for the user, but as we know, git is not scary.
Run git status - see what is going on
Restore normalcy in this repository by moving to kata3-detached-head
Note that this task might seem more confusing if you did not run setup.sh in your terminal.