getitem-1-4.py

class VendingMachine:
    def __init__(self):
        self.items_on_sale = []

    def __getitem__(self, idx):
        return self.items_on_sale[idx]

    def add_items(self, items):
        self.items_on_sale.extend(items)


hideous_machine = VendingMachine()
hideous_machine.add_items(
    [
        "Hazelnut Chocolate",
        "Dark Chocolate",
        "Still Water",
        "Sparkling Water",
    ]
)

print(hideous_machine[2])