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- JavaScript
- Ruby
- Python
- CoffeeScript
- C#
- Haskell
- TypeScript
- PHP
- C
- BF (Beta)
- Shell
- Java
- Elixir
- C++
- Go
- Scala
- NASM
- Kotlin
- Julia (Beta)
- Racket
- Rust
- Prolog (Beta)
- CFML (Beta)
- Crystal
- Lua
- R (Beta)
- Perl (Beta)
- COBOL (Beta)
- D (Beta)
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- SQL
- Swift
- 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.