Pickling

Unpickling

Converting a Python object hierarchy to a byte stream is called pickling

Pickling is also referred to as serialization

Converting a byte stream to a Python object hierarchy is called unpickling

Unpickling is also referred to as deserialization

If you just created a neural network model, you can save that model to your hard drive, pickle it, and then unpickle to bring it back into another software program or to use it at a later time.