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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 zoom_out(self):
 """Zooms out by zoom factor"""


        zoom = self.grid.grid_renderer.zoom

        target_zoom = zoom * (1 - config["zoom_factor"])

        if target_zoom > config["minimum_zoom"]:
            self.zoom(target_zoom)