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