$1.$ Examine the following function header, and then write a statement that calls the function, passing $12$ as an argument.def show$\_$value$($quantity$)$:

$2.$ Look at the following function header:def my$\_$function$($a$,$ b$,$ c$)$:Now look at the following call to my$\_$function:my$\_$function$(3,2,1)$When this call executeswhat value will be assigned to a$?$ what value will be assigned to b$?$ what value will be assigned to c$?$

$3.$ What will the following program display?def main$()$:$$ x $=1$ y $=3\mathrm{.}4$ print$($x$,$ y$)$ change$\_$us$($x$,$ y$)$ print$($x$,$ y$)$def change$\_$us$($x$,$ y$)$: $$ x $=0$ y $=0$ print$($x$,$ y$)$main$()$

$4.$ Look at the following function definition:def my$\_$function$($a$,$b$,$c$)$:$$ d $=($a $+$ c$)/$ b$$ print$($d$)$What value will be displayed when the following code is executed?side$\_$a $=2$side$\_$b $=4$side$\_$c $=6$my$\_$function$($side$\_$a$,$ side$\_$b$,$ side$\_$c$)$