Any object can be pickled before it is saved to a file, and then unpickled as it is loaded from a file into a program.

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Quizplus · Accepted Answer

Pickling is a way to serialize and deserialize Python objects. It allows objects to be easily saved to a file and loaded into a program later on. Almost any object in Python can be pickled, including simple data types, custom objects, and even function and class definitions.

Any Object Can Be Pickled Before It Is Saved to a File