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- Python
- Ruby
- JavaScript
- Haskell
- C#
- Java
- Kotlin
- NASM
- C++
- C
- Scala
- F#
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- COBOL (Beta)
- λ Calculus (Beta)
- Factor (Beta)
- CoffeeScript
- Dart
- TypeScript
- Julia (Beta)
- Elixir
- CommonLisp (Beta)
- R (Beta)
- Crystal
- PHP
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- D (Beta)
- Go
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- Shell
- PowerShell (Beta)
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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.