def main():
    Menu()


#Prints Menu
def Menu():
    print ("Calculate the volume of: ")
    print ("\t", "1)Box\n"
           "\t", "2)Cylinder\n"
           "\t", "3)Pyramid\n"
           "\t", "4)Sphere\n"
           "\t", "5)Exit\n")
    choice = int(input("Enter Choice : "))

    if choice == 1:
        print ("You choose to calculate the volume of a Box.")
        boxlength =  float(input("Enter Length of the box: " ))
        boxwidth = float(input("Enter Width of the Box : "))
        boxheight = float(input("Enter Height of the Box : "))
        FindBoxVolume(boxlength, boxwidth, boxheight)
    elif choice == 2:
        print ("You choose to calculate the volume of a Cylinder.")
        cylinderradius = float(input("Enter Radius of the Cylinder: "))
        cylinderheight = float(input("Enter Height of the Cylinder: "))
        FindCylinderVolume(cylinderradius, cylinderheight)
    elif choice == 3:
        print("You choose to calculate the volume of a Pyramid.")
        pybase = float(input("Enter the Base of the Pyramid : "))
        pyheight = float(input("Enter the Height of the Pyramid : "))
        FindPyramidVolume(pybase, pyheight)
    elif choice == 4:
        print ("You choose to caluclate the volume of a Sphere.")
        sphereradius = float(input("Enter the Radius of the Sphere : "))
        FindSphereVolume(sphereradius)
    elif choice == 5:
        print("Press any key to exit.")
    while choice > 5:
        print ("Not Valid Choice")
        Menu()
    Menu()


#Volume calculation methods
    import math
    from fraction import fraction

def FindBoxVolume(length, width, height):
    print ("Calculating the Volume of a Box\n"
           "With a Length of", length, "With a Width of", width, "With a Height of", height,"\n"
           "The Volume of the Box is", (length * width * height))

def FindCylinderVolume(radius, height):
    print("Calculating the Volume of a Cylinder\n"
          "With a Radius of",radius, "With a Height", height,"\n"
          "The Volume of the Cylinder is", (math.pi*(radius ** 2) * height))

def FindPyramidVolume(base, height):
    print("Calculating the Volume of a Pyramid\n"
          "With a Base of", base, "With the Height of", height,"\n"
          "The Volume of the Pyramid is", (Fraction(1, 3)* (base ** 2) * height))

def FindSphereVolume(radius):
    print("Calculating the Volume of a Sphere\n"
          "With a Radius", radius,"\n"
          "The volume of the Sphere is", (Fraction(4, 3) * math.pi * radius**3))


main()