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