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- Python
- JavaScript
- Ruby
- Haskell
- C#
- Elixir
- Shell
- C++
- Java
- Clojure
- R (Beta)
- Go
- C
- Kotlin
- Scala
- PHP
- CoffeeScript
- PureScript (Beta)
- TypeScript
- Julia (Beta)
- F#
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- NASM
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- COBOL (Beta)
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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.