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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 url awww.com should be added to the test suite.
Python3.0+,need change check_one_to_nine function: check = range(1,10) ----> check = [i for i in range(1,10)]