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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 unset_default_org(self):
 """ unset the default orgs for tasks """

        for org in self.list_orgs():
            org_config = self.get_org(org)
            if org_config.default:
                del org_config.config["default"]
                self.set_org(org_config)