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- JavaScript
- CoffeeScript
- Ruby
- Swift
- C
- C++
- Haskell
- Python
- Java
- C#
- Elixir
- PHP
- Go
- Clojure
- TypeScript
- Crystal
- Dart
- Julia (Beta)
- R (Beta)
- Reason (Beta)
- Factor (Beta)
- Elm (Beta)
- Objective-C (Beta)
- Lua
- F#
- Rust
- Forth (Beta)
- Groovy
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- Nim (Beta)
- Scala
- Racket
- PureScript (Beta)
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- Fortran (Beta)
- VB (Beta)
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- Shell
- NASM
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- D (Beta)
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- Pascal (Beta)
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- Perl (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.