手写数字识别
使用卷积神经网络的手写数字识别
使用Keras和MNIST数据集完成
建筑学：
Layer (type) Output Shape Param #
=================================================================
conv2d_239 (Conv2D) (None, 26, 26, 32) 320
_________________________________________________________________
separable_conv2d_83 (Separab (None, 24, 24, 32) 1344
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