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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.
Isn't it a bit of a hack to change up the node itself? I mean like that it's not a node like in a standard linked list.
I don't quite understand why but I had the same problem. I would get a 159.0 when I printed it but as I cast it into Int it changed to 158. Not sure why but it happened I had to come up with a fix