$1)$ Consider the function given below:

$($defun things $($x$)$

$($if $($null x$)$

$\text{'}()$

$($if $(>($car x$)10)$

$($cons $(+($car x$)1)($things $($cdr x$)))$

$($cons $(-($car x$)1)($things $($cdr x$))))))$

Show the evolution resulting from the following call:

LISP$>($things $\text{'}(11-231))$