Loading collection data...
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'm getting the same thing. Passed all 8 tests in Python but I'm getting an exit code with error: ValueError: invalid literal for int() with base 10: ''
Can't figure this one out.