I need help getting the dollar sign to appear in the output$>9\mathrm{.}11$: LAB. Car value $($classes$)$

$9\mathrm{.}11$ LAB: Car value $($classes$)$

Complete the car class by creating an atribute purchase$\_$price $($type int$)$ and the method print$\_$in Ex$.$ If the input is:

$2011$

$18000$

$2018$

Where $2011$ is the car's model year, $18000$ is the purchase price, and $2018$ is the current year, therNote: printinfo$0$ should use two spaces for indentation$\mathrm{.}5578963686822973297?$LABAGTIVITY$9\mathrm{.}11\mathrm{.}1$: LAB: Car value $($classes$)$main$.$py