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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 had a problems with too long computation and tried to use ctypes. Now all of the tests are failing because they are showing error syntax in tests - not in my code. I am not sure if ctypes somehow destroyed tests but that is the most possible cause.
STDERR:
File "string", line 39
import random
^
SyntaxError: invalid syntax