#!/usr/bin/env python

import sys
from qt import *

a = QApplication(sys.argv)

# Our function to call when the button is clicked
def sayHello():
    print "Hello, World!"

# Instantiate the button
hellobutton = QPushButton("Say 'Hello world!'",None)

# And connect the action "sayHello" to the event "button has been clicked"
a.connect(hellobutton, SIGNAL("clicked()"), sayHello)

# The rest is known already...
a.setMainWidget(hellobutton)
hellobutton.show()
a.exec_loop()