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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.
You can show us your code with correct markdown formatting because indentation get destroyed in normal format, and with spoiler flag.
Doesn't seem so, I've just completed this in ruby.
you seem to be reading the long in a wrong way.