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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.
Please fix!
[ruby] 243 is not a perfect power :(
Still the test says it is, it's base is between 15 and 16 and the power is 2.
152 = 225
162 = 256
I lost my code, plesae fix the test to try again.