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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 specAutoRange(self):
 """Auto adjusts the visible range of the spectrogram"""

        trace_range = self.responsePlots.values()[0].viewRange()[0]
        vb = self.specPlot.getViewBox()
        vb.autoRange(padding=0)
        self.specPlot.setXlim(trace_range)