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- JavaScript
- CoffeeScript
- Haskell
- Ruby
- Python
- Julia (Beta)
- C#
- C
- C++
- COBOL (Beta)
- OCaml (Beta)
- NASM
- Factor (Beta)
- Haxe (Beta)
- Kotlin
- Crystal
- Rust
- TypeScript
- PHP
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- Go
- PowerShell (Beta)
- Scala
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- Java
- Prolog (Beta)
- Groovy
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- D (Beta)
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- Shell
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- Fortran (Beta)
- Pascal (Beta)
- Perl (Beta)
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- Dart
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- Raku (Beta)
- Forth (Beta)
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- VB (Beta)
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.