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- Haskell
- JavaScript
- Python
- Clojure
- Java
- Ruby
- Go
- C#
- C
- C++
- Kotlin
- Rust
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- COBOL (Beta)
- CoffeeScript
- R (Beta)
- Crystal
- NASM
- TypeScript
- Swift
- Elixir
- PHP
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- Shell
- OCaml (Beta)
- Fortran (Beta)
- Julia (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.