井字游戏的分析
这是脚本的当前输出：
Total number of states: 5478
Total number of drawn states: 1068
Total number of won states for player 1: 2936
Total number of won states for player 2: 1474
Root state is drawn: True
Number of optimal moves in root state: 9
Avg. number of optimal in second state: 2.67
