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- JavaScript
- PHP
- C#
- Python
- CoffeeScript
- Rust
- Java
- Elixir
- Ruby
- Kotlin
- Haskell
- Scala
- Groovy
- F#
- VB (Beta)
- Go
- TypeScript
- Raku (Beta)
- COBOL (Beta)
- C
- Swift
- D (Beta)
- NASM
- C++
- λ Calculus (Beta)
- Crystal
- Julia (Beta)
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- Lua
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- Racket
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- Dart
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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.