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- JavaScript
- CoffeeScript
- Ruby
- Python
- Haskell
- C#
- C++
- Crystal
- Scala
- C
- TypeScript
- Java
- Rust
- Factor (Beta)
- PHP
- NASM
- Groovy
- COBOL (Beta)
- Julia (Beta)
- D (Beta)
- Clojure
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- Swift
- F#
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- Prolog (Beta)
- Pascal (Beta)
- Go
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- Racket
- Dart
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.