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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 accel_toggle_transparency(self, *args):
 """Callback to toggle transparency. """

        self.transparency_toggled = not self.transparency_toggled
        self.settings.styleBackground.triggerOnChangedValue(
            self.settings.styleBackground, 'transparency'
        )
        return True