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- JavaScript
- CoffeeScript
- Ruby
- Python
- Java
- Clojure
- Kotlin
- C#
- Crystal
- Julia (Beta)
- VB (Beta)
- Factor (Beta)
- Scala
- Haskell
- PHP
- C++
- Elixir
- COBOL (Beta)
- Go
- Rust
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- Swift
- NASM
- C
- λ Calculus (Beta)
- TypeScript
- F#
- R (Beta)
- Shell
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- Groovy
- Nim (Beta)
- Racket
- Reason (Beta)
- Pascal (Beta)
- Perl (Beta)
- Elm (Beta)
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- Prolog (Beta)
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.