class Policy:
    def __init__(self, name, policy_type, purpose):
        self.name = name
        self.policy_type = policy_type
        self.purpose = purpose
    def implement_policy(self):
        # Code to implement the policy
        pass
    def evaluate_effectiveness(self):
        # Code to evaluate the effectiveness of the policy
        pass
    
    
def main():
    print(123)
if __name__ == '__main__':
    main()