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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 configure(self, event=None):
 """show configuration frame"""

        if self.win_config is not None:
            try:
                self.win_config.Raise()
            except:
                self.win_config = None

        if self.win_config is None:
            self.win_config = PlotConfigFrame(parent=self,
                                              config=self.conf,
                                              trace_color_callback=self.trace_color_callback)
            self.win_config.Raise()