On Your Own.... Re-write the following program to use two functions-one to compute the area of a pizza, and one to compute cost per square inch. # Cost per square inch of a pizza import math def main(): pizza." print("This program computes the cost per square inch of a print) diam = float(input ("Enter the diameter of the pizza (in inches): price = int(input("Enter the price of the pizza (in cents): ")) area = ma t h . pi * (diam/2.9)..2 cost -price /area print() print("The cost is", cost, "cents per square inch.") main()