Challenge time! In this episode, practice using Sets to store unique pieces of data.
This is a companion discussion topic for the original entry at https://www.raywenderlich.com/33863948-programming-in-kotlin-collections-lambdas/lessons/15
This is a companion discussion topic for the original entry at https://www.raywenderlich.com/33863948-programming-in-kotlin-collections-lambdas/lessons/15