Playing with lisp & recursion while reading through The Little Schemer
If you're on a Mac, use Homebrew:
brew install mit-scheme
Otherwise, consult https://groups.csail.mit.edu/mac/users/gjs/6.945/dont-panic/
Run scheme: scheme
To load a file with functions definitions (eg. lists.scm) do:
1 ]=> (load "lists.scm")
1 ]=> (rember `c `(a b c d))
;Value: (a b d)