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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 logout_service_description(self):
 """Logout service description."""

        label = 'Logout from ' + self.name
        if (self.auth_type):
            label = label + ' (' + self.auth_type + ')'
        return({"@id": self.logout_uri,
                "profile": self.profile_base + 'logout',
                "label": label})