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- JavaScript
- Python
- Elixir
- Ruby
- C
- C#
- Factor (Beta)
- CoffeeScript
- Crystal
- Julia (Beta)
- R (Beta)
- TypeScript
- Scala
- Haskell
- F#
- PHP
- Clojure
- Java
- C++
- NASM
- Rust
- Swift
- COBOL (Beta)
- PowerShell (Beta)
- Dart
- Reason (Beta)
- Racket
- Prolog (Beta)
- CFML (Beta)
- Nim (Beta)
- D (Beta)
- Kotlin
- BF (Beta)
- Erlang (Beta)
- Go
- Lua
- OCaml (Beta)
- λ Calculus (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.