#Appel, Matthew
#Practice Program
#10/23/2010

def main():
    import string
    calculate = True
    while calculate == True: #Sentitel value, when user doesn't want to run it again, sets calculate to False
        print()
        length = int(input("Please enter the length in square feet: "))
        width = int(input("Please enter the width in square feet: "))
        price = int(input("Please enter the price of carpet in $ per square yard: "))
        area = (length * width)/9
        totcost = (area * price)
        if totcost <= 500 and price > 0 and price < 100:
            print()
            print("I'll buy it for $",totcost)
            print()
            getout = string.capwords(input("Would you like to calculate another?(Y/N) ")) #string.capwords() takes the input and makes sure it's capital, this helps prevent errors when asking to repeat it.
            if getout == "N":
                calculate = False
            elif getout == "Y":
                calculate = True
            else:
                print()
                print(getout,"is an invalid input")
                print()
                input("Press enter to start over")
                calculate = True
        elif (price < 0 or price > 100) and test < 10:
            print()
            print("Please Try again")
        else:
            print()
            print("$",totcost,"is too much for me!")
            print()
            getout = string.capwords(input("Would you like to calculate another?(Y/N) "))
            if getout == "N":
                calculate = False
            elif getout == "Y":
                calculate = True
            else:
                print()
                print(getout,"is an invalid input")
                print()
                input("Press enter to start over")
                calculate = True
main()