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