There is a ton of much better tutorials online (e.g. [1]) if you want a NN 101 course. [1] http://neuralnetworksanddeeplearning.com/chap1.html#implementing_our

There is a ton of much better tutorials online (e.g. [1]) if you want a NN 101 course. [1] http://neuralnetworksanddeeplearning.com/chap1.html#implementing_our_network_to_classify_digits http://neuralnetworksanddeeplearning.com/chap1.html#implemen...