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- CoffeeScript
- JavaScript
- C++
- Python
- Java
- TypeScript
- Julia (Beta)
- Haskell
- C
- Ruby
- C#
- Scala
- R (Beta)
- Kotlin
- PHP
- Dart
- NASM
- Elixir
- Crystal
- Racket
- Reason (Beta)
- Go
- Factor (Beta)
- λ Calculus (Beta)
- COBOL (Beta)
- Rust
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- BF (Beta)
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- D (Beta)
- Swift
- Lua
- Groovy
- PowerShell (Beta)
- Clojure
- Shell
- CFML (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.