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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.
Python and I'm using a 'traditional way' of for loop
I dont know why but it seems that we cannot use 'otp' as the final output variable name. I renamed my variable 'otp' into 'r' and everything goes fine.