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- Haskell
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- Python
- Ruby
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- C#
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- Java
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- Julia (Beta)
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- Crystal
- COBOL (Beta)
- Factor (Beta)
- F#
- Scala
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- Prolog (Beta)
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- Shell
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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.