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- JavaScript
- C#
- Python
- C++
- PHP
- Ruby
- Haskell
- Crystal
- Go
- C
- NASM
- Java
- Factor (Beta)
- COBOL (Beta)
- RISC-V (Beta)
- CoffeeScript
- Rust
- TypeScript
- Scala
- D (Beta)
- Groovy
- F#
- Julia (Beta)
- VB (Beta)
- Lua
- Clojure
- Elixir
- PowerShell (Beta)
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- Swift
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- Dart
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- λ Calculus (Beta)
- Pascal (Beta)
- Perl (Beta)
- OCaml (Beta)
- CFML (Beta)
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- Shell
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- Reason (Beta)
- Fortran (Beta)
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- SQL
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.