Python-IndentationError: expected an indented block

Question

So im confused i have been working on a project for a class and i need 10 products in a vending machine and im getting this error (IndentationError: expected an indented block)
could someone help me thank you

https://code.sololearn.com/cV46SmTQi6Tv/#py

Answer 1

I dont know what to input but in line 93 is an if statement without any purpose

elif customer_choice == "N" or customer_choice == "n":

After this should an indented line of code follow but there is nothing

but i cant say if that is the only problem without knowing what i should input