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- JavaScript
- Haskell
- Python
- Ruby
- CoffeeScript
- Java
- C#
- C
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- λ Calculus (Beta)
- Go
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- TypeScript
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- NASM
- R (Beta)
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- Nim (Beta)
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- Clojure
Start training on this collection. Each time you skip or complete a kata you will be taken to the next kata in the series. Once you cycle through the items in the collection you will revert back to your normal training routine.