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- Ruby
- CoffeeScript
- JavaScript
- Python
- Haskell
- Elixir
- OCaml (Beta)
- PHP
- Scala
- Java
- C++
- C#
- NASM
- C
- CFML (Beta)
- Crystal
- Go
- Rust
- Prolog (Beta)
- COBOL (Beta)
- F#
- Clojure
- Kotlin
- Shell
- Julia (Beta)
- R (Beta)
- PowerShell (Beta)
- Nim (Beta)
- Racket
- TypeScript
- Pascal (Beta)
- Perl (Beta)
- Elm (Beta)
- D (Beta)
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.