Question

3.11 Program: Painting a Wall (Python 3) (1) Prompt the user to input a wall's height and width. Calculate and output the wall's area. (Submit for 2 points). Enter wall height (feet): 12 Enter wall width (feet): 15 Wall area: 180.0 square feet (2) Extend to also calculate and output the amount of paint in gallons needed to paint the wall. Assume a gallon of paint covers 350 square feet. Store this value in a variable. (Submit for 2 points, so 4 points total). Enter wall height (feet): 12 Enter wall width (feet): 15 Wall area: 180.0 square feet Paint needed: 0.5142857142857142 gallons (3) Extend to also calculate and output the number of 1-gallon cans needed to paint the wall. Hint: Use a math function to round up to the nearest gallon. (Submit for 2 points, so 6 points total). Enter wall height (feet): 12 Enter wall width (feet): 15 Wall area: 180.0 square feet Paint needed: 0.5142857142857142 gallons Cans needed: 1 can(s) (4) 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. 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. (Submit for 2 points, so 8 points total). Enter wall height (feet): 12 Enter wall width (feet): 15 Wall area: 180.0 square feet Paint needed: 0.5142857142857142 gallons Cans needed: 1 can(s) Choose a color to paint the wall: red Cost of purchasing red paint: $35

          3.11 Program: Painting a Wall (Python 3)
(1) Prompt the user to input a wall's height and width. Calculate and output the wall's area. (Submit for 2 points).
Enter wall height (feet): 12
Enter wall width (feet): 15
Wall area: 180.0 square feet

(2) Extend to also calculate and output the amount of paint in gallons needed to paint the wall. Assume a gallon of paint covers 350 square feet. Store this value in a variable. (Submit for 2 points, so 4 points total).
Enter wall height (feet): 12
Enter wall width (feet): 15
Wall area: 180.0 square feet
Paint needed: 0.5142857142857142 gallons

(3) Extend to also calculate and output the number of 1-gallon cans needed to paint the wall. Hint: Use a math function to round up to the nearest gallon. (Submit for 2 points, so 6 points total).
Enter wall height (feet): 12
Enter wall width (feet): 15
Wall area: 180.0 square feet
Paint needed: 0.5142857142857142 gallons
Cans needed: 1 can(s)

(4) 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. 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. (Submit for 2 points, so 8 points total).
Enter wall height (feet): 12
Enter wall width (feet): 15
Wall area: 180.0 square feet
Paint needed: 0.5142857142857142 gallons
Cans needed: 1 can(s)
Choose a color to paint the wall: red
Cost of purchasing red paint: $35

Added by Alfredo L.

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