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- JavaScript
- CoffeeScript
- Python
- Ruby
- C#
- C
- Elixir
- Rust
- Java
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- Haskell
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- Go
- Prolog (Beta)
- Clojure
- Lua
- COBOL (Beta)
- D (Beta)
- Scala
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- F#
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- NASM
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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.