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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_axis_centres(self, *args):
 """ Sets the centre points for each axis to the current value for that axis. This centre value is used when computing the value for the axis and is subtracted before applying any scaling. This will only be applied to CentredAxis instances """

        for axis in self.axes_by_code.values():
            if isinstance(axis, CentredAxis):
                axis.centre = axis.value