Intro/basic GUI - PyQt with Python GUI Programming tutorial | part - 1

or:

or do:

sudo apt-get install python-qt4
if you are on mac/linux.

PyQT gives us a wrapper around the various aspects to QT, but is separated in main sections.
PyQt Tutorial for Beginners - Learn PyQt in simple and easy steps starting from basic to advanced concepts with examples including Introduction, Hello World, Major Classes, Using Qt Designer, Signals and Slots, Layout Managers, QBoxLayout, QGridLayout, QFormLayout Class, QLabel Widget, QLineEdit Widget, QPushButton Widget, QRadioButton Widget, QCheckBox Widget, QComboBox Widget, QSpinBox Widget, QSlider Widget and Signal, QMenuBar, QMenu and QAction Widgets, QToolBar Widget, QDialog Class, QMessageBox, QInputDialog, QFontDialog Widget, QFileDialog Widget, QTabWidget, QStackedWidget, QSplitter Widget, Multiple Document Interface, Drag and Drop, Database Handling, Drawing API, BrushStyle Constants, QClipboard, QDockWidget, QStatusBar Widget, QListWidget, QPixmap Class, QScrollBar Widget, QCalendar Widget.

Some of these include:

QtCore - non GUI essentials
QtGui - gui essentials

QtNetwork - for any networking like tcp/ip
QtOpenGL - for handling OpenGL, which is pretty awesome
QtSql - for database operations
QtSvg - handling of scalable vector graphics.
QtXML - for handling XML