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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.
Thanks for letting me know.. I have not looked at the PEP8 documentation.
why use the standard lib ?
Nevertheless, PEP8 does not recommend to assign lambda expressions to variables.