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.
It's beautiful!!!
If you post your solution below and mark it as a spoiler we can help you debug your issue :)
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I'm confused
run test is ok
but submit have lots of error
even the array length...