please use python to solve it$.$This question should be answered using the Carseats data set. $($a$)$ Fit a multiple regression model to predict Sales using Price, Urban, and US$.($b$)$ Provide an interpretation of each coefcient in the model. Be careful$$some of the variables in the model are qualitative! $($c$)$ Write out the model in equation form, being careful to handle the qualitative variables properly