Suggestion on page 352

[baifanhorst]

To validate the mini batch generator, the following codes are used in the book, on page 352:

for X_train_mini, y_train_mini in minibatch_gen:
    break

print(X_train_mini.shape)
print(y_train_mini.shape)

I know that this code gives a framework that will be used later. However, it only validates the first batch. To validate all batches, the print statements should be put inside the for loop.

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[rasbt]

That's a fair point. We could maybe iterate through the whole dataset here like you suggest to make sure it works ok if you want to be thorough.