Question

Use Python 3.7 to Write a function called volume_of_box() that takes three parameters (the length, width, and height of the box) and returns the volume of the box. Then, use that function in a program which prompts the user to enter the dimensions of a box and returns the volume. Your program should include input validation to ensure that the values entered are positive and should be able to accept float values.

Many thanks for all your time and effort in helping me with the above question.

Answer 1

def volume_of_box(length, width, height):
    return length * width * height


def main():
    while True:
        try:
            length = float(input("Enter length: "))
            if length > 0:
                break
            print("Invalid input. Try again!")
        except ValueError:
            print("Invalid input. Try again!")
    while True:
        try:
            width = float(input("Enter width: "))
            if width > 0:
                break
            print("Invalid input. Try again!")
        except ValueError:
            print("Invalid input. Try again!")
    while True:
        try:
            height = float(input("Enter height: "))
            if height > 0:
                break
            print("Invalid input. Try again!")
        except ValueError:
            print("Invalid input. Try again!")
    print("Volume of the box is " + str(volume_of_box(length, width, height)))


if __name__ == '__main__':
    main()