chrome浏览器启动（python）

from selenium import webdriver
from selenium.common.exceptions import NoSuchElementException
from selenium.webdriver.common.keys import Keys
import time
import os
chromedriver = "C:\Program Files\Google\Chrome\Application\chromedriver.exe"
os.environ["webdriver.chrome.driver"] = chromedriver
dr=webdriver.Chrome(chromedriver)
dr.get(" http://www.baidu.com")
time.sleep(10000)
dr.quit()