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