# This code below is not working, However, I have checked it in parts by pars of each cost

#1

trip_cost('Charlotte', 6) raised an error: maximum recursion depth exceeded in cmp

It should deliver the output result.

``````def plane_ride_cost(city):
if city== 'Charlotte' :
return 183
if city== 'Tampa' :
return 220
if city== 'Pittsburgh' :
return 222
if city == 'Los Angeles':
return 475
plane_ride_cost('city')
# Cost of lflying to a city. This code is verified in Jupyter! It works.

def hotel_cost(nights):
return 140*nights

# Cost of staying in a hotel. This code is verified in Jupyter! It works.

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

def trip_cost(city, days):
return rental_car_cost(days) +  plane_ride_cost('city') + 140*days``````

#2

A function that always calls itself is an infinite loop - however, due to how Python is implemented, you can only keep track of so many calls on the stack, so after many thousand calls it crashes.

#3

Firstly,c wishing you Happy New Year!

could you suggest some modificationa?
I still did not understand how it calls itself!
Best Regards,
Mihir NAKHARE

#4

I think the issue is line 10 (if I counted right). Calling "plane_ride_cost('city')" is part of it's own function's definition (hence previous reply about the infinite loop). Hope that makes sense (and that I'm right, lol)
Happy New Year!

#5

Thank you very much! Now it works!

#6

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