Before revision: Available programming languages for solving puzzles or taking part in contests are: Bash, C, C++, C#, Clojure, D, Dart, F#, Go, Groovy, Haskell, Java, JavaScript, Kotlin, Lua, Objective-C, OCaml, Pascal, Perl, PHP, Python (v3), Ruby, Rust, Scala, Swift, TypeScript, and Visual Basic .NET .
After revision: Available programming languages for solving puzzles or taking part in contests are: Bash, C, C++, C#, Clojure, D, Dart, F#, Go, Groovy, Haskell, Java, JavaScript, Kotlin, Lua, Objective-C, OCaml, Pascal, Perl, PHP, Python (v3), Ruby, Rust, Scala, Swift, TypeScript, and Visual Basic NET .