Write a function make_receipt that consumes a float representing the price of a meal. the function needs to do the following: calculate the discounted price by multiplying the price by .9 (a 10% discount) return the discounted price. print out the original price passed in. print out the discounted price. now, you just bought a meal for $20, but the manager was so impressed with your programming ability that they decided to discount it twice. call this function on the original $20 meal price twice.