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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.
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This kata require more details description, an example from start to finish perhapse.
Why tuple of tuples? You could use
dictonary, the use dict methoditems()with same effect (less brackets).