最简单的深度学习python程序解读(来自李宏毅)

import numpy as np from keras.models import Sequential from keras.layers.core import Dense,Dropout,Activation from keras.layers import Conv2D,MaxPooling2D,Flatten from keras.optimizers import SGD,Adam from keras.utils import np_utils from keras.datasets import mnist def load_data(): (x_train,y_t