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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):
 """ Initializes the information for this class from the given JSON data blob. :param jdata: <dict> """

        # required params
        self.__name = jdata['name']
        self.__field = jdata['field']

        # optional fields
        self.__display = jdata.get('display') or self.__display
        self.__flags = jdata.get('flags') or self.__flags
        self.__defaultOrder = jdata.get('defaultOrder') or self.__defaultOrder
        self.__default = jdata.get('default') or self.__default