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- Racket
- Python
- C++
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- Java
- JavaScript
- Scala
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- R (Beta)
- Clojure
- Ruby
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- PHP
- PowerShell (Beta)
- Rust
- TypeScript
- Shell
- OCaml (Beta)
- Reason (Beta)
- C
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- F#
- VB (Beta)
- Kotlin
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- D (Beta)
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- Go
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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.