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