from selenium import webdriver
from selenium.webdriver.common.keys import Keys

option=webdriver.ChromeOptions()
option.add_argument(‘--start-maximized‘)
drive=webdriver.Chrome(options=option)
drive.get(‘http://www.baidu.com‘)
className = drive.find_element_by_class_name(‘s_ipt‘)#使用class="s_ipt"定位
className.send_keys(‘周杰伦‘) #输入周杰伦
className.send_keys(Keys.ENTER)#注意Keys,K是大写

drive.quit()