<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
</head>

<body>
<p>测试勾选</p>
<div>
   <input type="checkbox" name="vehicle" value="bike" >
    我有一辆自行车
    <br>
   <input type="checkbox" name="vehicle" value="car" checked>
    我有一辆汽车
</div>
</body>
</html>
####################################################
# coding=utf-8
from selenium import webdriver
from selenium.webdriver.common.by import By

driver = webdriver.Chrome(r"d:\tools\webdrivers\chromedriver.exe")

# 打开网址
driver.get('file:///D:/gsync/workspace/sq/selenium/samples_selenium/wd/lesson04/cb.html')

input1 = driver.find_element_by_css_selector("input[value=car]")
# 判断 是否已经选中
selected = input1.is_selected()
if selected:
    print('已经选中，无需点击')
else:
    print('没有选中，需要点击 ')
    input1.click()

input('press any key to quit...')
driver.quit()   # 浏览器退出