This is my [[https://mitpress.mit.edu/sicp/][sicp]] sandbox. Exercises until 2.42 are written in GNU Guile Scheme. These are under the =net= directory. Exercises from 2.44 are written in Racket. These are under the =ex= directory. Racket dependencies: #+begin_src sh raco pkg install sicp raco pkg install rackunit #+end_src