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- C#
- F#
- Java
- JavaScript
- Python
- Ruby
- Crystal
- TypeScript
- Haskell
- PHP
- C
- CoffeeScript
- Objective-C (Beta)
- NASM
- Scala
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- Rust
- Julia (Beta)
- Racket
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- C++
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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.