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- Python
- Ruby
- JavaScript
- Java
- C#
- C
- C++
- Clojure
- F#
- Fortran (Beta)
- Rust
- R (Beta)
- Go
- Kotlin
- PHP
- Nim (Beta)
- Groovy
- CoffeeScript
- Crystal
- Lua
- Scala
- OCaml (Beta)
- Elixir
- Swift
- Julia (Beta)
- PowerShell (Beta)
- Reason (Beta)
- Racket
- VB (Beta)
- Dart
- Shell
- Haxe (Beta)
- Pascal (Beta)
- Perl (Beta)
- Raku (Beta)
- Haskell
- COBOL (Beta)
- NASM
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.