Chapter 3. Types and Objects
All the data stored in a Python program is built around the concept of an object. Objects include fundamental datatypes such as numbers, strings, lists, and dictionaries. It’s also possible to create user-defined objects in the form of classes or extension types. This chapter describes the Python object model and provides an overview of the built-in datatypes. Chapter 4, “Operators and Expressions,” further describes operators and expressions.
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