How many different methods can Medicine object item2 call? class Product: def init (self): self.name 'None' self.quantity e def set item(self, nm, qty): self.name = n self.quantity qty def get_item(self): return self.name, self.quantity def get_name(self): return self.name def get_quantity(self): return self.quantity class Medicine (Product): def init_(self): Product.__init__(self) self.expiration = 2000 def set_expiration(self, exp): self.expiration exp def get medicine(self): return self.name, self.quantity, self.expiration item1 Product() item2 Medicine()