Dive Into Python 3

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Serializing Python Objects

The concept of serialization is simple. You have a data structure in memory that you want to save, reuse,

or send to someone else. How can you do that? Well, that depends on how you want to save it, how you

want to reuse it, and to whom you want to send it. Many games allow you to save your progress when

you quit the game and pick up where you left off when you relaunch the game. (Actually, many non-

gaming applications do this as well.) In this case, a data structure that captures “your progress so far”

needs to be stored on disk when you quit and then loaded from disk when you relaunch. ...