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- Ruby
- Python
- JavaScript
- C#
- Crystal
- PHP
- TypeScript
- Java
- C++
- C
- Haskell
- Clojure
- Reason (Beta)
- VB (Beta)
- Go
- Racket
- CoffeeScript
- Dart
- Groovy
- Julia (Beta)
- Elixir
- Kotlin
- Swift
- Rust
- COBOL (Beta)
- Lua
- Nim (Beta)
- Prolog (Beta)
- F#
- Factor (Beta)
- Scala
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- Shell
- PowerShell (Beta)
- NASM
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- CommonLisp (Beta)
- D (Beta)
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- Fortran (Beta)
- Pascal (Beta)
- 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.