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- Haskell
- F#
- Python
- C
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- JavaScript
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- Clojure
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- Java
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- C++
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- Rust
- Julia (Beta)
- CoffeeScript
- R (Beta)
- Scala
- Lua
- Ruby
- Fortran (Beta)
- Racket
- COBOL (Beta)
- PowerShell (Beta)
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- Swift
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- Elixir
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- Dart
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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.