Analyzing the state of the board As we run our model, we want to know what fraction of the board is empty and what fraction is covered with trees. You need to add code to compute these values. A bit of skeleton code is provided for you to help guide your coding efforts. In [71 def calc stats (game_board): Calculates the fraction of cells on the game board that are a tree or are empty Input: a game board Output: fraction that's empty, fraction that's covered in trees use numpy to count up the fraction that are empty frac empty do the same for trees frac tree return it! return frac empty, frac tree Pile ""line 12 frac-empty SyntaxError: invalid syntax