This module defines a class that acts as a wrapper around
dictionary objects. It is a useful base class for
your own dictionary-like classes, which can inherit from
them and override existing methods or add new ones. In this way one
can add new behaviours to dictionaries.
The UserDict module defines the UserDict class:
- UserDict ([intialdata])
Return a class instance that simulates a dictionary. The instance's
contents are kept in a regular dictionary, which is accessible via the
data attribute of UserDict instances. If
initialdata is provided, data is initialized with its
contents; note that a reference to initialdata will not be kept,
allowing it be used used for other purposes.
In addition to supporting the methods and operations of mappings (see
section 2.1.6), UserDict instances provide the
A real dictionary used to store the contents of the UserDict
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