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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 add_wic(self, old_wic, wic):
 """ Convert the old style WIC slot to a new style WIC slot and add the WIC to the node properties :param str old_wic: Old WIC slot :param str wic: WIC name """

        new_wic = 'wic' + old_wic[-1]
        self.node['properties'][new_wic] = wic