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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.
I understood the source of the problem.
The site interpreter does not process global variables correctly.
I solved the problem - I removed the global variable from the code.
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