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.
you could use the if to know if the number is zero so that you remove that problem
You're doing a mathematical operation, so: -0=0, you can send '-number' for this. '-' is a character.
Thanks for your comment !