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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 set_refresh_rate(self, fps):
 """Set the refresh rate for redrawing the canvas at a timed interval. Parameters fps : float Desired rate in frames per second. """

        self.rf_fps = fps
        self.rf_rate = 1.0 / self.rf_fps
        #self.set_redraw_lag(self.rf_rate)
        self.logger.info("set a refresh rate of %.2f fps" % (self.rf_fps))