1.加载importpandas as pdimportos# loadhousingdatadef load_housing_data(housing_path=HOUSING_PATH): csv_path=os.path.join(housing_path, "housing.csv") return pd.read_csv(csv_path 解决fetch_20newsgroups下载速度巨慢问题的方法 , dirname=target_dir)注释掉,这两行代码就是下载数据的代码然后添加arc...