Object Orientation
==================

Python offers full support for `object-oriented programming
<https://en.wikipedia.org/wiki/Object-oriented_programming>`_ :abbr:`OOP
(object-oriented programming)`. The following listing is an example that could
be the beginning of a simple shapes module for a drawing program.


.. graphviz::
   :layout: neato

   graph oop {
   graph [fontname = "Calibri", fontsize="16", overlap=false];
       node [fontname = "Calibri", fontsize="16", style="bold", penwidth="5px"];
       edge [fontname = "Calibri", fontsize="16", style="bold", penwidth="5px"];
       tooltip="Objektorientierte Programmierung";
       oop [
           label="Objektorientierte\nProgrammierung\n(OOP)",
           color="#FF66B3"]
       objects [
           label="Objekte",
           color="#BF80FF"]
       polymorphism [
           label="Polymorphismus",
           color="#9999FF"]
       classes [
           label="Klassen",
           color="#00FF80"]
       inheritance [
           label="Vererbung",
           color="#4da6ff"]
       encapsulation [
           label="Kapselung",
           color="#00FFFF"]
       oop -- objects [color="#FF66B3;0.5:#BF80FF"]
       oop -- polymorphism [color="#FF66B3;0.5:#9999FF"]
       oop -- classes [color="#FF66B3;0.5:#00FF80"]
       oop -- inheritance [color="#FF66B3;0.5:#4da6ff"]
       oop -- encapsulation [color="#FF66B3;0.5:#00FFFF"]
   }

.. toctree::
   :titlesonly:
   :hidden:

   classes
   variables
   methods
   inheritance
   coherent
   private
   property
   types
   namespaces
   dataclasses