\section{Standard Module \module{UserDict}} \declaremodule{standard}{UserDict} \modulesynopsis{Class wrapper for dictionary objects.} 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 \module{UserDict} module defines the \class{UserDict} class: \begin{classdesc}{UserDict}{} Return a class instance that simulates a dictionary. The instance's contents are kept in a regular dictionary, which is accessible via the \member{data} attribute of \class{UserDict} instances. \end{classdesc} \begin{memberdesc}{data} A real dictionary used to store the contents of the \class{UserDict} class. \end{memberdesc} \section{Standard Module \module{UserList}} \declaremodule{standard}{UserList} \modulesynopsis{Class wrapper for list objects.} This module defines a class that acts as a wrapper around list objects. It is a useful base class for your own list-like classes, which can inherit from them and override existing methods or add new ones. In this way one can add new behaviours to lists. The \module{UserList} module defines the \class{UserList} class: \begin{classdesc}{UserList}{\optional{list}} Return a class instance that simulates a list. The instance's contents are kept in a regular list, which is accessible via the \member{data} attribute of \class{UserList} instances. The instance's contents are initially set to a copy of \var{list}, defaulting to the empty list \code{[]}. \var{list} can be either a regular Python list, or an instance of \class{UserList} (or a subclass). \end{classdesc} \begin{memberdesc}{data} A real Python list object used to store the contents of the \class{UserList} class. \end{memberdesc}