[{"title":"( 2 个子文件 2KB ) 获取上证50股票交易数据","children":[{"title":"GetYahooData","children":[{"title":"SH50.list <span style='color:#111;'> 1.12KB </span>","children":null,"spread":false},{"title":"get_yahoo_data.py <span style='color:#111;'> 3.28KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]