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- JavaScript
- CoffeeScript
- Python
- Ruby
- Crystal
- C
- Go
- Rust
- C#
- D (Beta)
- RISC-V (Beta)
- PHP
- Java
- C++
- NASM
- Haskell
- Elixir
- OCaml (Beta)
- Scala
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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.