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- JavaScript
- Ruby
- Python
- CoffeeScript
- Elixir
- PHP
- C++
- C#
- Java
- Crystal
- BF (Beta)
- TypeScript
- Scala
- Haskell
- Groovy
- Kotlin
- NASM
- Julia (Beta)
- Dart
- R (Beta)
- Reason (Beta)
- Nim (Beta)
- Racket
- Factor (Beta)
- Go
- Clojure
- Elm (Beta)
- PureScript (Beta)
- Forth (Beta)
- C
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- CFML (Beta)
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- Fortran (Beta)
- F#
- PowerShell (Beta)
- Prolog (Beta)
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- Swift
- VB (Beta)
- Shell
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- Rust
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- CommonLisp (Beta)
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- D (Beta)
- SQL
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- λ Calculus (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.