The "what you've learned" at the end of this chapter made me chuckle :) It says you learnt about `loop`, `intersection`, `set-difference` and `remove-duplicates

The "what you've learned" at the end of this chapter made me chuckle :) It says you learnt about `loop`, `intersection`, `set-difference` and `remove-duplicates`. (PS: It'll be nice if HN formats back-ticks as code.)