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- JavaScript
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- Python
- Ruby
- Java
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- Perl (Beta)
- Haskell
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- CFML (Beta)
- Haxe (Beta)
- Crystal
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- NASM
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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.