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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.
Same here. Cant pass Test5. What's inside in it?
Which language are we talking about? And are you sure? The log appears before the test result.
Can't you print it?
You need to return a function.