| \section{Standard Modules \sectcode{UserDict} and \sectcode{UserList}} |
| \nodename{UserDict and UserList} |
| \stmodindex{UserDict} |
| \stmodindex{UserList} |
| \label{module-UserDict} |
| \label{module-UserList} |
| |
| Each of these modules defines a class that acts as a wrapper around |
| either dictionary or list objects. They're useful base classes for |
| your own dictionary-like or 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 dictionaries or lists. |
| |
| \setindexsubitem{(in module UserDict)} |
| The \code{UserDict} module defines the \code{UserDict} class: |
| |
| \begin{funcdesc}{UserDict}{} |
| Return a class instance that simulates a dictionary. The instance's |
| contents are kept in a regular dictionary, which is accessible via the |
| \code{data} attribute of \code{UserDict} instances. |
| \end{funcdesc} |
| |
| \setindexsubitem{(in module UserList)} |
| The \code{UserList} module defines the \code{UserList} class: |
| |
| \begin{funcdesc}{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 |
| \code{data} attribute of \code{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 \code{UserList} (or a subclass). |
| \end{funcdesc} |