门面模式

class Connect:
    def run(self):
        print('connect')

class Request:
    def run(self):
        print('requset')

class WebServer:
    def run(self):
        print('web server response')

class Browser:
    def run(self):
        print('browser drawing')

class Facade:
    def __init__(self):
        self.connect = Connect()
        self.request = Request()
        self.webServer = WebServer()
        self.browser = Browser()
    def runAll(self):
        self.connect.run()
        self.request.run()
        self.webServer.run()
        self.browser.run()

if __name__ == '__main__':
    facade = Facade()
    facade.runAll()