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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.
I'm trying to submit a kata for Python. When I run "Validate Solution" it hangs. In the console, it looks like I'm getting an 500 response for /python/validate whenever I click on the button. The error message is "code is required" (type: RuntimeError), but I have code in the "Correct Solution", "Test Cases", and "Example Test Cases" boxes.
I just wanted to comment to say that I too had issues with Vim mode and Python.
Although clicking 'compare solution' does work, I still think it would be worth providing a separate space in the interface for showing you your own solution(s). I had to come here to this forum to figure out how to see this.