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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.
kind of self-join, is that right?
Python- I tested by using jupyter.
Input: 22
Output: 20
But still got the error '22 should get 20' when ran suite.
yeah, i did the same, but still got 'missing 1 positional argument', not sure if it's a bug.