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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'm getting the below error, I've been testing it for quite a while and it doesn't look like its properly tested for negative numbers in JS.
Should work for random years: expected '-800 has 365 days' to equal '-800 has 366 days'
Rust translate
This comment is hidden because it contains spoiler information about the solution
Ruby 3.0 should be enabled.