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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.
Capitalize the first letters of all words.
Thanks, that was fast.
Updated the example test case.
The Python test case uses a variable called str. My function did only pass after I changed that variables name. I guess this is because str() is a built in function in Python.