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