Taking a vacacation. It returns none function


#1


https://www.codecademy.com/courses/python-beginner-P5YtY/1/4?curriculum_id=4f89dab3d788890003000096#


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=40*days
    if (days>=7):
        return (cost-50)
    elif (days>=3):
        return cost-20  
    else:
        return cost
def trip_cost(city,days):
    rental_car_cost(days)
    hotel_cost(days)
    plane_ride_cost(city)
print trip_cost("Tampa",7)


#2

your trip_cost function should add the rental car, hotel and plane ride cost together and return this total trip cost


#3

When I seperately call single fuction it says it returns none


#4

calling the function causes numbers (integers) to be returned, which you should add together. This result should be returned


#5

Thank you for the help!


#6

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