def calculate_tax(total,location,rate): if location == "B": rate += .01 tax = total * rate return tax # i need to "call" the function to get it to actually do something this_total = 5.50 taxed_on_total = calculate_tax(this_total,"B",.08) shipping = 7 print("Your total is $"+str(round(this_total+taxed_on_total+shipping,2))+".")