0-1导包importwarningswarnings.filterwarnings("ignore")importkerasimportnumpyasnpimporttensorflowastfimportmatplotlib.pyplotasplt1-1构造数据调用接口去下载数据mnist=keras.datasets.mnist#导入mnist(train_images,train_labels),(test_images,test_labels)=mnist.load_data()60000条训练集，10000条测试集print("trainimageshape:",train_ima

0-1导包importwarningswarnings.filterwarnings("ignore")importkerasimportnumpyasnpimporttensorflowastfimportmatplotlib.pyplotasplt1-1构造数据调用接口去下载数据mnist=keras.datasets.mnist#导入mnist(train_images,train_labels),(test_images,test_labels)=mnist.load_data()60000条训练集，10000条测试集print("trainimageshape:",train_ima