PLAYER $($pid$,$ username, password, birthdate, minutesplayed$)$

LIST $($pid$,$ gid$)$

GAME $($gid$,$ name, price, genre, rating$)$

CHARACTER $($cid$,$ itemcount, type, armor, team, gid$)$

By using the given diagram above, write a function named

$$GET$\_$PRICE$$ to return the price of a game for a given game and

player id$.$ Parameter part of the function is up to you. Use

$$OTHERS$$ exception.