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a GUI for Python
This section explains the Tkinter widget set for constructing graphical user interfaces (GUIs) in the Python programming language.

- What is Tkinter?
- A minimal application
- Definitions
- Layout management
- Standard attributes
- The widget
- The Canvas widget
- The Checkbutton widget
- The Entry widget
- The Frame widget
- The Label widget
- The LabelFrame widget
- The Listbox widget
- The Menu widget
- The Menubutton widget
- The Message widget
- The OptionMenu widget
- The PanedWindow widget
- The Radiobutton widget
- The Scale widget
- The Scrollbar widget
- The Spinbox widget
- The Text widget
- Toplevel: Toplevel window methods
- Universal widget methods
- Standardizing appearance
- Connecting your application logic to the widgets
- Control variables: the values behind the widgets
- Focus: routing keyboard input
- Events
- Popup dialogs

Python Imaging Library (PIL) Quick Reference
This section of the tutorial describes an image-processing library, the Python imaging library(PIL) for the Python programming language.

- Introduction
- Definitions
- Creating objects of class Image
- The ImageDraw module
- Image enhancement: the ImageFilter module
- The ImageFont module
- The ImageTk module
- Supported file formats

Python XML Processing with lxml
This part of the tutorial explains the lxml package for reading and writing XML files with the Python programming language.

- Introduction: Python and XML
- How ElementTree represents XML
- Reading an XML document
- Creating a new XML document
- Modifying an existing XML document
- Features of the etree module
- class ElementTree: A complete XML document
- class Element: One element in the tree
- XPath processing
- Automated validation of input files
- etbuilder: A simplified XML builder module
- Implementation of etbuilder

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