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