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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 loadJSON(self, jdata):
 """ Loads the given JSON information for this column. :param jdata: <dict> """

        super(ReferenceColumn, self).loadJSON(jdata)

        # load additional information
        self.__reference = jdata.get('reference') or self.__reference
        self.__removeAction = jdata.get('removeAction') or self.__removeAction