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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 _parse_json(self, response, exactly_one=True):
 """ Parse responses as JSON objects. """

        if not len(response):
            return None
        if exactly_one:
            return self._format_structured_address(response[0])
        else:
            return [self._format_structured_address(c) for c in response]