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.
The first non-working code is you will return the result as a string after the first iteration. And the last line of code will not be reached (unless
lines
is an empty array)