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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.
Is there any way to to see/visualize the input tree? Its hard to know what Im doing wrong if I don't really know what the tree looks like.
I pass when I run the sample tests, but when I hit attempt I get an indexError which makes no sense. It works fine when I run it in Pycharm with the array that gave me an indexError here. My code also produces correct results when I run all of the tests found in the instructions in Pycharm.