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