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- Haskell
- Ruby
- Python
- JavaScript
- CoffeeScript
- Java
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- F#
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- C
- Elixir
- COBOL (Beta)
- PHP
- TypeScript
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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.