item_class_vars.py

class Item:
    # this is a class variable
    percent_off = 0.1

    def __init__(self, item_name, price):
        self.item_name = item_name
        self.price = price
        
burger = Item(item_name='burger', price=2.55)
# print out the percent_off
print('Orignal Percentage Off:', burger.percent_off)

# Altering the percent_off (class_variable)
burger.percent_off = 0.7

# print out the percent_off after the altering
print('Edited Percentage Off:', burger.percent_off)