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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.
It's impossible to read only for beginners, but solutions like that one are great because you can learn some new language features by reading them.
why everyone's trying to make their code as short as possible? isn't it a bit hard to understand for others or its just me? :/
why bro? why do you produce such an imposible-to-read piece of code -.-