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- Ruby
- Haskell
- Clojure
- JavaScript
- Python
- Java
- R (Beta)
- CoffeeScript
- C#
- C++
- Julia (Beta)
- TypeScript
- Lua
- Rust
- Dart
- Go
- Elixir
- Objective-C (Beta)
- NASM
- C
- COBOL (Beta)
- D (Beta)
- Scala
- CommonLisp (Beta)
- Crystal
- PHP
- F#
- λ Calculus (Beta)
- Groovy
- Shell
- PureScript (Beta)
- Factor (Beta)
- Swift
- Kotlin
- Racket
- Perl (Beta)
- SQL
- RISC-V (Beta)
- Reason (Beta)
- Elm (Beta)
- Idris (Beta)
- Nim (Beta)
- BF (Beta)
- OCaml (Beta)
- VB (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.