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.
print out the input so you can add failing tests to your unit tests, providing you created them.
Even the 0 to return has been found redundant, I like it!
Despite the briefness it is totally readable.
If you print it, it will (probably) use the newline.