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- JavaScript
- C#
- Python
- Rust
- TypeScript
- Ruby
- C
- Java
- Julia (Beta)
- PHP
- BF (Beta)
- Crystal
- R (Beta)
- CoffeeScript
- D (Beta)
- Scala
- OCaml (Beta)
- Lua
- Haskell
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- Clojure
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- COBOL (Beta)
- Elixir
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- NASM
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- Swift
- Factor (Beta)
- RISC-V (Beta)
- Nim (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.