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    <h1>MNIST handwritten digit data</h1>
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    <p>The MNIST dataset is a dataset of handwritten digits from 0-9. Each image is 28x28 pixels. 
We can interpret this as a large matrix of numbers, representing the value at each pixel.
These 28x28 matrices are then flattened to be vectors of length 784. For each image, there
is an associated label, which determines which digit the image is of. This image is encoded
as a vector o