I need to write a paint job estimator program in python. I have most of it down but i keep getting errors and I dont know how to fix it or what im doing worng
specs:
A painting company has determined that for every 350 square feet of wall space, one gallon of paint and six hours of labor are required. The company charges $62.25 per hour for labor. Write a program call paintjobestimator.py that asks the user to enter the square feet of wall space to be painted and the price of the paint per gallon. The program is to display the following information.
At the end of one estimate the user it to be asked if they would like to perform another estimate. Use the prompt: Would you like to do another estimate? (y/n) If the user answers y, then the program is to accept input for another estimate. If the user answers with anything other than y, the program is to exit.
The user input should not be able to crash the program. If the user provides invalid input the program should tell the user why the input is invalid and ask again for the input.
The square feet of wall space and the price of the paint per gallon must be positive values. If the user enters 0 or a negative value, the program should tell the user why the input is invalid and ask again for the input.
The output is to be nicely formatted. Hours of labor is to be displayed to one decimal point (example: 12.4 hours). Gallons of paint is to be displayed as an integer value with nothing shown to the right of the decimal point (example: 5). Total labor charges is to be displayed to two decimal points and a $ is to be displayed at the start of the total labor charge value (example: $152.64).
The gallons of paint is rounded up to whole gallons because the paint is colored and mixed in whole gallons. If paint is left over it can’t be used on another job. You will need to find a way in Python to do the math to calculate the gallons of paint so that the result is a whole number that is a rounded up value based on the division of the square feet of space by the 350 square feet per gallon. For example, if the area to be painted is 1800 square feet, then 1800 / 350 is 5.142857 gallons. The rounded up whole gallons result is 6. Five gallons of paint is not enough. The need for some amount more than 5 gallons means the job requires 6 gallons even if all of it will not be used.
Solution:
code:
import math def main(): while True: # Taking the input from the user for the square feet of the wall to paint and ask use until the user enters positive integer value while True: square_feet = input('Enter square feet of wall to paint: ') square_feet = int(square_feet) if square_feet < 0: print('square feet has to be positive integer') continue elif square_feet == 0: print('square feet must be positive not zero') continue # if square feet is greater than 0 the loop terminates else: break # Taking the input from the user for the pricePaint of the painting bucket and ask the user until the user enters positive integer value while True: pricePaint = input('Enter pricePaint of paint per gallon: ') pricePaint = int(pricePaint) if pricePaint < 0: print('price has to be positive integer') continue elif pricePaint == 0: print('price has to be positive integer not zero') continue # if pricePaint > 0 the loop terminates else: break # getting theGallons based on the price of the paint theGallons = square_feet / 350 # calculating the number of numOfHours required to paint numOfHours = theGallons * 6 theGallons = math.ceil(theGallons) # getting cost of the paint from theGallons paintCost = pricePaint * theGallons # getting theLabourCharge based on number of numOfHours theLabourCharge = 62.25 * numOfHours # calculating total paint cost totalCost = paintCost + theLabourCharge print("theGallons: %5d, numOfHours of labor: %.1f, Paint Cost: %.2f, Labour Charge: $%.2f, Total Paint Cost: $%.2f" % ( theGallons, numOfHours, paintCost, theLabourCharge, totalCost)) # getting choice from user choice = input('Would you like to do another estimate(y/n)? ') # if the choice is yes the program will do another estimate if choice.upper() == 'Y': pass # if the choice is no or anything then program will terminate elif choice.upper() == 'N' or choice.upper() != 'N': break if __name__ == "__main__": main()
Output:
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I need to write a paint job estimator program in python. I have most of it...
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