Loading collection data...
Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
That is a lot of for loops. Good job!
Nice.
I like how you just did the prefixes. Nice.
Please how do i solve the arrayDiff challenge
What I did was create a second array omitting all of the zeroes.
Never mind. got it