Cuboid Volume / Surface Area Calculator

# Volume / Surface Area Calculator, GTT, 2016

# **** Functions go here *****
def num_check(question):
    valid = False
    while not valid:
        try:
            response = float(input(question))
            if response > 0:
                return response
            else:
                print("Please input a number that is more than zero")

except ValueError:
            print("Please enter a number")

# **** Main Routine goes here ****

keep_going = ""
while keep_going == "":

length = num_check("Length in cm: ")
    width = num_check("Width in cm: ")
    height = num_check("Height in cm: ")

volume = length * width * height
    surface_area = 2 * (length * width) + 2 * (length * height) + 2 * (width * height)

print()

print("*** Answers Below ****")
    print("Volume: {} cm^3".format(volume))
    print("Surface Area: {} cm^2".format(surface_area))
    print()
    keep_going = input("Press <enter> to solve another problem or any key to quit")
    print()

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