Racket is a multi-paradigm programming language with a rich set of libraries included.
The programming language is known for its powerful macro system which enables the creation of embedded and domain-specific languages, language constructs such as classes or modules, and separate dialects of Racket enable different semantics.
DrRacket is a graphical environment for developing programs using the Racket programming languages.
(trace) does not work at all. Install it from the terminal instead after adding the ppa: "sudo add-apt-repository ppa:plt/racket ; sudo apt update ; sudo apt install racket"