Wall area: $180$ square feet Paint needed: $0\mathrm{.}51$ gallons

$(3)$ Extend by prompting the user for a color they want to paint the walls. Calculate and output the total cost of the paint cans depending on which color is chosen. Round the result to two decimal places with round$(*$price$*,2).$ Hint: Use a dictionary to associate each paint color with its respective cost. Red paint costs $$35$ per gallon can, blue paint costs $$25$ per gallon can, and green paint costs $$23$ per gallon can.

Enter wall height $($feet$)$: $12$ Enter wall width $($feet$)$: $15$ Wall area: $180$ square feet Paint needed: $0\mathrm{.}51$ gallons $\{\text{'}$red$\text{'}$: $35,$ 'blue': $25,$ 'green': $23\}$ Choose a color to paint the wall: Cost of purchasing red paint: $$18$