11. Fruit Shop

fruit = input()
day = input()
quantity = float(input())
price = 0

if day == "Monday" or day == "Tuesday" or day == "Wednesday" or day == "Thursday" or day == "Friday":
    if fruit == "banana":
        price = 2.5
    elif fruit == "apple":
        price = 1.2
    elif fruit == "orange":
        price = 0.85
    elif fruit == "grapefruit":
        price = 1.45
    elif fruit == "kiwi":
        price = 2.7
    elif fruit == "pineapple":
        price = 5.5
    elif fruit == "grapes":
        price = 3.85

elif day == "Saturday" or day == "Sunday":
    if fruit == "banana":
        price = 2.7
    elif fruit == "apple":
        price = 1.25
    elif fruit == "orange":
        price = 0.9
    elif fruit == "grapefruit":
        price = 1.6
    elif fruit == "kiwi":
        price = 3
    elif fruit == "pineapple":
        price = 5.6
    elif fruit == "grapes":
        price = 4.2

if price > 0:
    print(f'{price * quantity:.2f}')
else:
    print("error")


РЕШЕНИЕ С ТЕРНАРЕН ОПЕРАТОР:

fruit = input()
day = input()
quantity = float(input())
price = 0

if day in ("Monday", "Tuesday", "Wednesday", "Thursday", "Friday"):
    price = 2.5 if fruit == "banana" \
        else 1.2 if fruit == "apple" \
        else 0.85 if fruit == "orange" \
        else 1.45 if fruit == "grapefruit" \
        else 2.7 if fruit == "kiwi" \
        else 5.5 if fruit == "pineapple" \
        else 3.85 if fruit == "grapes" else 0

elif day in ("Saturday", "Sunday"):
    price = 2.7 if fruit == "banana" \
        else 1.25 if fruit == "apple" \
        else 0.9 if fruit == "orange" \
        else 1.6 if fruit == "grapefruit" \
        else 3 if fruit == "kiwi" \
        else 5.6 if fruit == "pineapple" \
        else 4.2 if fruit == "grapes" else 0

print(f'{price * quantity:.2f}' if price > 0 else 'error')



РЕШЕНИЕ С КОЛЕКЦИЯ И ТЕРНАРЕН ОПЕРАТОР:

fruit = input()
day = input()
quantity = float(input())

workday_price = {'banana': 2.5, 'apple': 1.2, 'orange': 0.85, 'grapefruit': 1.45, 'kiwi': 2.7, 'pineapple': 5.5, 'grapes': 3.85}
weekend_price = {'banana': 2.7, 'apple': 1.25, 'orange': 0.9, 'grapefruit': 1.6, 'kiwi': 3, 'pineapple': 5.6, 'grapes': 4.2}

price = 0

if day in ('Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday') and fruit in workday_price:
    price = workday_price[fruit]
elif day in ('Saturday', 'Sunday') and fruit in weekend_price:
    price = weekend_price[fruit]

print(f'{price * quantity:.2f}' if price > 0 else 'error')