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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 display(self, data):
 """Make graphicsitem for spectrum figure. Parameters data : ndarray 1D vector containing the data only This function can be called by self.display_window (which reads the data for the selected channel) or by the mouse-events functions in traces (which read chunks of data from the user-made selection). """

        value = self.config.value
        self.scene = QGraphicsScene(value['x_min'], value['y_min'],
                                    value['x_max'] - value['x_min'],
                                    value['y_max'] - value['y_min'])
        self.idx_fig.setScene(self.scene)

        self.add_grid()
        self.resizeEvent(None)

        s_freq = self.parent.traces.data.s_freq
        f, Pxx = welch(data, fs=s_freq,
                       nperseg=int(min((s_freq, len(data)))))  # force int

        freq_limit = (value['x_min'] <= f) & (f <= value['x_max'])

        if self.config.value['log']:
            Pxx_to_plot = log(Pxx[freq_limit])
        else:
            Pxx_to_plot = Pxx[freq_limit]

        self.scene.addPath(Path(f[freq_limit], Pxx_to_plot),
                           QPen(QColor(LINE_COLOR), LINE_WIDTH))