https://github.com/strint/sicpAns https://github.com/DeathKing/Learning-SICP
https://mitpress.mit.edu/sites/default/files/sicp/index.html
$ brew install racket
$ make run f=ch1/1.1
https://github.com/strint/sicpAns https://github.com/DeathKing/Learning-SICP
https://mitpress.mit.edu/sites/default/files/sicp/index.html
$ brew install racket
$ make run f=ch1/1.1