def rosreestr fields result for row in conn execute self query rec dic

def rosreestr(fields):
            result = ''

            for row in conn.execute(self.query):
                rec = dict(zip(row.keys(), row))

                for i in range(len(fields)):
                    result += fields[i]+';'

                result.append(rec)

            response = Response()
            response.content_type = 'text/plain'
            response.content_disposition = 'attachment; filename={}'.format('rosreestr.txt')
            response.text = result

            return result