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