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- Haskell
- PureScript (Beta)
- Ruby
- Java
- C#
- Python
- Clojure
- JavaScript
- CoffeeScript
- C++
- PHP
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- Rust
- Swift
- C
- F#
- Shell
- OCaml (Beta)
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- Crystal
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- Scala
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- Nim (Beta)
- Racket
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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.