item_init_with_classmethod.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

    @classmethod
    def from_list(cls, item_lst):
        return cls(*item_lst) #notice this calls the class itself and initializes it
        
item = Item.from_list(['Burger', 2.55])
print('Name:', item.item_name, ', Price:', item.price)