def hotel_cost(night):
    return 140 * night

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 False

def rental_car_cost(days):
    if days >= 7:
        return (40*days)-50
    elif days >=3:
        return (40*days)-20
    else:
        return 40*days

def trip_cost(city, days, spending_money):
    return plane_ride_cost(city) + rental_car_cost(days) + hotel_cost(days) + spending_money

print trip_cost ("Los Angeles", 5, 600)