举例说明吧，路径一定要带转义符‘\’，下面的例子中，每一行是一个样本的feature
>>> myfile=open("D:\\301\\graduate_thesis\\分类实验\\属性选取\\feature_label_data_2016_01_02\\07feature.txt","r");
>>> feature=myfile.read();
>>> feature=feature.split(‘\n‘);
原文：http://www.cnblogs.com/julie-yang/p/5094982.html