Write the inputlectures() function in the inventory class. Within inputlectures(), use currlecture's readtopicanddiscount() function.
a) def inputlectures(self): currlecture.readtopicanddiscount()
b) def inputlectures(): currlecture.readtopicanddiscount()
c) def inputlectures(self): self.currlecture.readtopicanddiscount()
d) def inputlectures(self): readtopicanddiscount(currlecture)