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- JavaScript
- Ruby
- Python
- CoffeeScript
- Haskell
- Java
- C
- NASM
- Julia (Beta)
- C++
- Racket
- Crystal
- Dart
- Elixir
- C#
- Elm (Beta)
- Factor (Beta)
- PHP
- R (Beta)
- Reason (Beta)
- TypeScript
- Rust
- F#
- Go
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- COBOL (Beta)
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- Fortran (Beta)
- PowerShell (Beta)
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- D (Beta)
- RISC-V (Beta)
- PureScript (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.