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