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