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.
Can you please explain this code?
This is not an issue but a problem with your code. Issues are problem caused by defects in the kata itself. You'd rather ask a question in this case. However with no more elements, it's impossible to help you. I guess you're using Python. Actually you don't pass all tests, they give up once they meet an error. KeyError means you try to access a key that does not exist in a dictionary or a similar object, and Python crashes in those cases. Hopefully this may help you: Troubleshooting Your Solution.
All my tests are passed but one got terminated because of key error.What to do?
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