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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.
Seems like it's returning "mocha_missing!Script" for 2. What am I missing?
I like it but I prefer StringBuilder instead of String for result (String is immutable so every loop iteration creates new String object).