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- Java
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- Python
- Ruby
- C#
- PHP
- Rust
- R (Beta)
- Scala
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- C
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- Haskell
- TypeScript
- C++
- CoffeeScript
- Crystal
- Swift
- Julia (Beta)
- Go
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- Elixir
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- PowerShell (Beta)
- 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.