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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_scan_log_lines(self, source_id, scan_id):
 """ Get the log text for a Scan :rtype: Iterator over log lines. """

        return self.client.get_manager(Scan).get_log_lines(source_id=source_id, scan_id=scan_id)