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- JavaScript
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- Python
- C#
- C++
- Ruby
- C
- D (Beta)
- PHP
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- Java
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- Elixir
- Go
- Dart
- Elm (Beta)
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- Clojure
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- Rust
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- Swift
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.