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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 createCenterPointMarker(self):
        '''Creates the center pointer in the middle of the screen.'''
        self.axes.add_patch(patches.Rectangle((-0.75,-self.thick),0.5,2.0*self.thick,facecolor='orange',zorder=3))
        self.axes.add_patch(patches.Rectangle((0.25,-self.thick),0.5,2.0*self.thick,facecolor='orange',zorder=3))
        self.axes.add_patch(patches.Circle((0,0),radius=self.thick,facecolor='orange',edgecolor='none',zorder=3))