def utility(self, state, player):
        "Return the value to player; 1 for win, -1 for loss, 0 otherwise."
        return if_(player == 'X', state.utility, -state.utility)
def utility(self, state, player):
        "Return the value to player; 1 for win, -1 for loss, 0 otherwise."
        return if_(player == 'X', state.utility, -state.utility)
def utility ( self , state , player ) : return if_ ( player == 'X' , state . utility , - state . utility )
Return the value to player; 1 for win, -1 for loss, 0 otherwise.
Return the value to player ; 1 for win - 1 for loss 0 otherwise .