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- Python
- JavaScript
- Ruby
- CoffeeScript
- Java
- Haskell
- C++
- C#
- Crystal
- PHP
- Shell
- Rust
- TypeScript
- Clojure
- C
- Go
- NASM
- Kotlin
- Julia (Beta)
- Prolog (Beta)
- Elixir
- R (Beta)
- Scala
- COBOL (Beta)
- D (Beta)
- SQL
- Lua
- Perl (Beta)
- Dart
- Pascal (Beta)
- F#
- OCaml (Beta)
- Factor (Beta)
- RISC-V (Beta)
- Groovy
- PowerShell (Beta)
- Nim (Beta)
- Reason (Beta)
- Racket
- Erlang (Beta)
- Elm (Beta)
- Forth (Beta)
- Swift
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- Solidity (Beta)
- Fortran (Beta)
- Objective-C (Beta)
- PureScript (Beta)
- CFML (Beta)
- Haxe (Beta)
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- CommonLisp (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.