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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.
this is not a kata issue, because kata authors cannot install new language versions, only the administrators of Codewars can. you can request language versions here but there is already one request for Rust
Totally agree.
I had a lot of fun solving it while being able to dive into Python OOP concepts a bit more. I did actually get the hang of using self inside of a class and learned about method chaining.