Balling Game

You are keeping score of the balling game.You are starting with an empty scoreRecord. You are given a list of Strings games where games[i] is the ith operation you have to perform on the scoreRecord in the following manner: - If games[i] is an integer c - Record a new score in scoreRecord of c. - "X" - It states that the previous score was invalid, remove it from the scoreRecord. - "Y" - doubl