def process_items(items_t: tuple[int, int, str], items_s: set[bytes]):

from typing import Dict


def process_items(prices: Dict[str, float]):
    for item_name, item_price in prices.items():
        print(item_name)

def process_items(items: list[str]):
    for item in items:

def process_items(prices: dict[str, float]):
    for item_name, item_price in prices.items():
        print(item_name)

from typing import Union


def process_item(item: Union[int, str]):

def process_item(item: int | str):