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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.
The go version is missing the package name at the start and thats causing a weird 422 server error, please add it:
Approved
Print the input and your output.