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- JavaScript
- CoffeeScript
- Ruby
- Java
- Dart
- Haskell
- C#
- Python
- Scala
- Groovy
- Crystal
- PowerShell (Beta)
- Go
- C
- NASM
- Rust
- PHP
- Clojure
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- Julia (Beta)
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- F#
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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.