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