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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 like how you calculate the multiplier 👏🏾
I really like your solution. It's clever, clean and easy to read!
It's the * operator e.g. 2 * 3 = 6
Find out more about this solution by inspecting: https://apidock.com/ruby/Enumerable/reduce
What is the (:*) called? I'd like to learn about it. Thanks.