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- C#
- Python
- Ruby
- JavaScript
- F#
- TypeScript
- CoffeeScript
- Java
- C
- C++
- Clojure
- COBOL (Beta)
- Crystal
- Haskell
- Elixir
- PHP
- OCaml (Beta)
- Rust
- Swift
- Go
- R (Beta)
- Shell
- Kotlin
- PowerShell (Beta)
- Julia (Beta)
- Scala
- Nim (Beta)
- Reason (Beta)
- Racket
- Dart
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- Pascal (Beta)
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- Lua
- Perl (Beta)
- Elm (Beta)
- D (Beta)
- Erlang (Beta)
- Prolog (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.