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