python - How to change the background color in PyQt4 -

i new pyqt4(just learned 2 days ago) , know question has easy answer can't find anywhere. trying change background color of window black. have code far.

import sys pyqt4 import qtgui  class display(qtgui.qmainwindow):     def __init__(self):         super(display, self).__init__()         self.showfullscreen()         self.show()  if name == '__main__':     app = qtgui.qapplication(sys.argv)     gui = display()     sys.exit(app.exec()) 

when run white window. there method run change black?

you can set stylesheet window.

self.showfullscreen() self.setstylesheet("background-color: black;") 

reference

• stylesheet reference