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- Python
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- JavaScript
- C#
- PHP
- Clojure
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- Rust
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- BF (Beta)
- TypeScript
- CoffeeScript
- C
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- Groovy
- COBOL (Beta)
- Julia (Beta)
- Factor (Beta)
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- Lua
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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.