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- Python
- JavaScript
- Ruby
- C#
- C
- Java
- Julia (Beta)
- Rust
- Go
- CoffeeScript
- Scala
- PHP
- TypeScript
- Prolog (Beta)
- NASM
- Swift
- Crystal
- Perl (Beta)
- C++
- R (Beta)
- Dart
- COBOL (Beta)
- D (Beta)
- Haskell
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- RISC-V (Beta)
- Lua
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- Groovy
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- Elixir
- OCaml (Beta)
- Racket
- CFML (Beta)
- Factor (Beta)
- CommonLisp (Beta)
- F#
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.