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.
Yes, that is CodeWars! You have to try to get the input.
The submit-tests are invisble. Some show the input or give hints, other don't.
What language do yo use?
Do you use JavaScript? Then use console.log to show the input while testing...