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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 get_attribute(self, obj, attribute):
 """ Returns single object attribute. :param obj: requested object. :param attribute: requested attribute to query. :returns: returned value. :rtype: str """

        raw_return = self.send_command_return(obj, attribute, '?')
        if len(raw_return) > 2 and raw_return[0] == '"' and raw_return[-1] == '"':
            return raw_return[1:-1]
        return raw_return