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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 _updateTargetFromNode(self):
 """ Applies the configuration to the target axis it monitors. The axis label will be set to the configValue. If the configValue equals PgAxisLabelCti.NO_LABEL, the label will be hidden. """

        rtiInfo = self.collector.rtiInfo
        self.plotItem.setLabel(self.axisPosition, self.configValue.format(**rtiInfo))
        self.plotItem.showLabel(self.axisPosition, self.configValue != self.NO_LABEL)