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