
def print_pizza_area():
   pi_val = 3.14159265

   pizza_diameter = 12.0
   pizza_radius = pizza_diameter / 2.0
   pizza_area = pi_val * pizza_radius * pizza_radius
   print('{:.1f} inch pizza is {:.3f} inches squared'
       .format(pizza_diameter, pizza_area))


print_pizza_area()

