I'm simply really confused here. The error reads:
Oops, try again. Your code looks a bit off. Feel free to peek back at earlier exercises if you need a refresher! Take a look at the console window for the error message from the interpreter.
days = 7 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 def rental_car_cost(days): cost = days * 40 if days >= 7: cost = cost - 50 elif days >= 3: cost = cost - 20 return cost def trip_cost(city, days): return sum rental_car_cost(days) + hotel_cost(nights) + plane_ride_cost(city)