Constructor (object-oriented programming): Difference between revisions

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=== Python ===
In [[Python (programming language)|Python]], constructors are defined by one or both of <code>__new__</code> and <code>__init__</code> methods. A new instance is created by calling the class as if it were a function, which calls the <code>__new__</code> and <code>__init__</code> methods. If a constructor method is not defined in the class, the next one found in the class's [[C3 linearization|Method Resolution Order]] will be called.<ref>[https://docs.python.org/3/reference/datamodel.html Data model]</ref>
 
In the typical case, only the <code>__init__</code> method need be defined. (The most common exception is for immutable objects.)