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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def get_client_rect(self):
 """ Get the window's client area coordinates in the desktop. @rtype: L{win32.Rect} @return: Rectangle occupied by the window's client area in the desktop. @raise WindowsError: An error occured while processing this request. """

        cr = win32.GetClientRect( self.get_handle() )
        cr.left, cr.top     = self.client_to_screen(cr.left, cr.top)
        cr.right, cr.bottom = self.client_to_screen(cr.right, cr.bottom)
        return cr