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- Ruby
- Python
- Clojure
- Haskell
- JavaScript
- CoffeeScript
- Java
- C#
- Elixir
- TypeScript
- C++
- PHP
- Crystal
- C
- Swift
- R (Beta)
- Julia (Beta)
- Scala
- Go
- Nim (Beta)
- Racket
- F#
- VB (Beta)
- Kotlin
- Groovy
- Fortran (Beta)
- Rust
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- Lua
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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.