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- JavaScript
- C#
- Ruby
- Python
- Java
- Haskell
- Elixir
- R (Beta)
- COBOL (Beta)
- Rust
- C
- Julia (Beta)
- NASM
- Go
- Kotlin
- D (Beta)
- Scala
- C++
- TypeScript
- Lua
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- Clojure
- Shell
- Crystal
- Swift
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- Prolog (Beta)
- Objective-C (Beta)
- Dart
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- F#
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- Racket
- CommonLisp (Beta)
- Pascal (Beta)
- Perl (Beta)
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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.