[{"title":"( 4 个子文件 191KB ) HousePrices.zip","children":[{"title":"test.csv <span style='color:#111;'> 440.83KB </span>","children":null,"spread":false},{"title":"train.csv <span style='color:#111;'> 449.88KB </span>","children":null,"spread":false},{"title":"sample_submission.csv <span style='color:#111;'> 31.19KB </span>","children":null,"spread":false},{"title":"data_description.txt <span style='color:#111;'> 13.06KB </span>","children":null,"spread":false}],"spread":true}]