Question

Can anyone please help in understanding why the loop in the computeBill function isn’t iterating?

groceries = ["banana", "orange","apple"]

stock = {"banana": 6, "apple": 0, "orange": 32, "pear": 15}

prices = {"banana": 4, "apple": 2, "orange": 1.5, "pear": 3}

def computeBill(food):
    total = 0.0
    for item in food:
        total += prices[str(item)] + stock[str(item)]
        print total
        return total

computeBill(groceries)

Answer 1

You’re calling return inside the loop because of where it is indented currently, so it gets executed after the very first iteration. Likely you want to move it outside the loop (the same indentation level as the for itself) so it gets called after the iteration is complete:

def computeBill(food):
    total = 0.0
    for item in food:
        total += prices[str(item)] + stock[str(item)]
        print total

    return total