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