Conditional Statements Advanced - Lab / 11. Fruit Shop

fruit = input()
day_of_the_week = input()
quantity = float(input())
price = 0
if day_of_the_week == "Monday" \
        or day_of_the_week == "Tuesday" \
        or day_of_the_week == "Wednesday" \
        or day_of_the_week == "Thursday" \
        or day_of_the_week == "Friday" :
    if fruit == "banana":
        price = 2.50
    elif fruit == "apple":
        price = 1.20
    elif fruit == "orange":
        price = 0.85
    elif fruit == "grapefruit":
        price = 1.45
    elif fruit == "kiwi":
        price = 2.70
    elif fruit == "pineapple":
        price = 5.50
    elif fruit == "grapes":
        price = 3.85
elif day_of_the_week == "Saturday" or day_of_the_week == "Sunday":
    if fruit == "banana":
        price = 2.70
    elif fruit == "apple":
        price = 1.25
    elif fruit == "orange":
        price = 0.90
    elif fruit == "grapefruit":
        price = 1.60
    elif fruit == "kiwi":
        price = 3.00
    elif fruit == "pineapple":
        price = 5.60
    elif fruit == "grapes":
        price = 4.20
if price != 0:
    total_sum = price * quantity
    print(f"{total_sum:.2f}")
else:
    print("error")