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