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- JavaScript
- C
- C++
- Haskell
- Ruby
- Python
- CoffeeScript
- Java
- C#
- Clojure
- PHP
- TypeScript
- Crystal
- F#
- Rust
- Swift
- Go
- R (Beta)
- Shell
- OCaml (Beta)
- Objective-C (Beta)
- Kotlin
- Julia (Beta)
- Fortran (Beta)
- NASM
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- Scala
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- Dart
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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.