pythonselenium怎么配置IE和chrome的代理？

fromseleniumimportwebdriverimportos,timechromedriver=os.getcwd()+'\\chromedriver.exe'os.environ['webdriver.Chrome.driver']=chromedriverchrome_options=webdriver.ChromeOptions()chrome_options.add_argument('--proxy-server=211.147.240.86:808')driver=webdriver.Chrome(chromedriver,chrome_options=chrome_options)