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- Ruby
- Java
- JavaScript
- Clojure
- Python
- Haskell
- C#
- CoffeeScript
- F#
- Swift
- Rust
- COBOL (Beta)
- C
- Elixir
- PHP
- Groovy
- Shell
- Kotlin
- Scala
- C++
- Julia (Beta)
- Racket
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- Fortran (Beta)
- Go
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- VB (Beta)
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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.