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Other Method Call Possibilities
This pattern of calling methods through a class is the general basis of extending (instead of completely replacing) inherited method behavior. In Chapter 31, we’ll also meet a new option added in Python 2.2, static methods, that allow you to code methods that do not expect instance objects in their first arguments. Such methods can act like simple instanceless functions, with names that are local to the classes in which they are coded, and may be used to manage class data. A related concept, the class method, receives a class when called instead of an instance and can be used to manage per-class data. These are advanced and optional extensions, though; normally, you must always pass an instance to a method, whether it is called through an instance or a class.
[65] On a somewhat related note, you can also code multiple __init__ methods within the same class, but only the last definition will be used; see Chapter 30 for more details on multiple method definitions.
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