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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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Thankyou, I had this exact same issue, my solution wouldn't work in 3.4.3 but does in 2.7.6 and works in my python 3.6.2 IDLE environment.
This was a really excellent kata. It goes to show that there is more than one way to crack a walnut.
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