04. Transport Price

km = int(input())
time = input()
price = 0

if km < 20:
    if time == "day":
        price = km * 0.79 + 0.7
    else:
        price = km * 0.9 + 0.7
elif km >= 100:
    price = km * 0.06
else:
    price = km * 0.09

print(f"{price:.2f}")

РЕШЕНИЕ С ТЕРНАРЕН ОПЕРАТОР:

km = int(input())
time = input()

price = km * (0.79 if time == "day" else 0.9) + 0.7 if km < 20 else km * 0.06 if km >= 100 else km * 0.09

print(f"{price:.2f}")

Или леко тарикатската:

km = int(input())

print(f'{(km * (0.79 if input() == "day" else 0.9) + 0.7 if km < 20 else km * 0.06 if km >= 100 else km * 0.09):.2f}')