Please explain the code and its output

Question

class Pizza:
def__init__(self,toppings):
self.toppings=toppings

@staticmethod
def validate_topping( topping):
if topping=="pineapple":
raise ValueError("No pineapple")
else:
return True
ingredients=["cheese","onions","spam"]
if all( Pizza.validate_topping(i) for I in range ingredients):
pizza=Pizza(ingredients)

Answer 1

Please don't ask generic question...

If you have a problem, describe it accuratly as possible, telling what point you don't understand ^^