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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.
that`s some next level stuff
It's Python list comprehension. Make a research about it if you don't know it. For the rest, take a pencil and a paper with a small example and try to figure out what the code does.
can anybody explain this code? It looks easy to the eye but hard to understand it