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- Python
- JavaScript
- Java
- CoffeeScript
- Julia (Beta)
- Scala
- Ruby
- Haskell
- Rust
- Nim (Beta)
- C++
- C
- NASM
- Go
- D (Beta)
- Crystal
- Dart
- Elixir
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- Reason (Beta)
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- Prolog (Beta)
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- C#
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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.