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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.
your code is wrong because you use the logical OR operator
||between predicates , while the description says:see https://docs.codewars.com/training/troubleshooting/#post-discourse for next time - help us help you by specifying the language used, and your code with a spoiler flag and markdown block
That error comes from this line: