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