[Py] How to install python qt in ubuntu 12.04


        
            
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            Installing
sudo apt-get install python-qt4 libxml2-dev libxslt1-dev python-dev python-lxml xvfb
Create hello.py file
touch hello.py
hello.py source code
# -*- coding: utf-8 -*-
import sys
from PyQt4 import QtGui

def window():
   app = QtGui.QApplication(sys.argv)
   w = QtGui.QWidget()
   b = QtGui.QLabel(w)
   b.setText("Hello World!")
   w.setGeometry(100,100,200,50)
   b.move(50,20)
   w.setWindowTitle("PyQt")
   w.show()
   sys.exit(app.exec_())

if __name__ == '__main__':
   window()
execute hello.py
python hello.py