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