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- C++
- C
- Crystal
- Ruby
- JavaScript
- Python
- C#
- Haskell
- PHP
- Dart
- TypeScript
- Julia (Beta)
- CoffeeScript
- Racket
- Reason (Beta)
- Java
- Elixir
- Rust
- Factor (Beta)
- Kotlin
- Clojure
- Elm (Beta)
- Go
- SQL
- R (Beta)
- Shell
- Forth (Beta)
- Fortran (Beta)
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- Lua
- Groovy
- F#
- Erlang (Beta)
- Scala
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- NASM
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- COBOL (Beta)
- CommonLisp (Beta)
- D (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.