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- JavaScript
- Python
- Ruby
- C#
- CoffeeScript
- Haskell
- C
- TypeScript
- PHP
- C++
- Go
- Java
- Elixir
- NASM
- Crystal
- Groovy
- Scala
- Kotlin
- OCaml (Beta)
- Swift
- Rust
- Racket
- Julia (Beta)
- PowerShell (Beta)
- Reason (Beta)
- Dart
- Lua
- Clojure
- Factor (Beta)
- R (Beta)
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- RISC-V (Beta)
- F#
- Shell
- Fortran (Beta)
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- Prolog (Beta)
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- Perl (Beta)
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- VB (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.