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- Ruby
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- Haskell
- Java
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- C#
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- Swift
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- OCaml (Beta)
- R (Beta)
- Kotlin
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- Scala
- Julia (Beta)
- PowerShell (Beta)
- Go
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- 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.