from typing import Dict, TypeVar


K = TypeVar("K")
V = TypeVar("V")


def get_item(values: Dict[K, V], key: K) -> V:
    return values[key]


def main():
    str_keys: Dict[str, int] = {
        "prvi": 1,
        "drugi": 2,
        "treći": 3,
    }

    a = get_item(str_keys, "drugi")
    print(a)

    int_keys: Dict[int, str] = {
        1: "prvi",
        2: "drugi",
        3: "treći",
    }

    a = get_item(int_keys, 3)
    print(a)


if __name__ == "__main__":
    main()