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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 getStatusMsg(self):
 """ Returns the message of the status or an empty string if it does not exist :return: Status message of the response """


        if 'status' in self._response.keys():
            if (self._response['status'] is not None) and ('msg' in self._response['status'].keys()) and (self._response['status']['msg'] is not None):
                return self._response['status']['msg']
            else:
                return ''