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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(self, source_id, scan_id):
 """ Get a Scan object :rtype: Scan """

        target_url = self.client.get_url('SCAN', 'GET', 'single', {'source_id': source_id, 'scan_id': scan_id})
        return self.client.get_manager(Scan)._get(target_url)