def hotel_cost(nights):
    return 140 * nights

def plane_ride_cost(city):
    if city == "Charlotte":
     return 183
    elif city == "Tampa":
     return 220
    elif city == "Pittsburgh":
     return 222
    elif city == "Los Angeles":
     return 475
    else:
     return "Sorry"
def rental_car_cost(days):
    cost = 40
    if days >= 7:
        cost = 40 * days - 50
        return cost
    elif days >= 3 and days <= 7:
     cost = 40 * days - 20
     return cost
    else:
     return days * 40

def trip_cost(city, days, spending_money):
     return rental_car_cost(days) + hotel_cost(days) + plane_ride_cost(city) + spending_money
     print trip_cost("Los Angeles", 5, 600)