[{"title":"( 3 个子文件 324KB ) backtrader & INSIGHT demo","children":[{"title":"backtrader_demo","children":[{"title":"test_wechat_demo.ipynb <span style='color:#111;'> 2.60MB </span>","children":null,"spread":false},{"title":"daily_price.csv <span style='color:#111;'> 470.80KB </span>","children":null,"spread":false},{"title":"trade_info.csv <span style='color:#111;'> 2.05KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]