selenium处理alert弹出框

import time
from selenium import webdriver

driver =webdriver.Chrome(r"D:\工具包\chromedriver.exe")
driver.maximize_window()
driver.implicitly_wait()
driver.get("https://www.baidu.com")
time.sleep()

driver.execute_script("window.alert('这是一个测试Alert弹窗');")
time.sleep()
driver.switch_to_alert().accept()  # 点击弹出里面的确定按钮