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.
it comes from the word array
This is absolutely not an issue (= a bug in the kata).
arr
is a very common variable name for instances oflist
.