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