from selenium import webdriver
from selenium.webdriver.common.keys import Keys
from selenium.webdriver import ActionChains
import time
driver=webdriver.Chrome()
driver.get('http://www.baidu.com')
driver.find_element_by_id('kw').send_keys(1)
time.sleep(2)
driver.find_element_by_id('su').click()
time.sleep(2)
a=driver.find_element_by_id('kw')
#双击
ActionChains(driver).double_click(a).perform()
time.sleep(2)
#ctrl+x
ActionChains(driver).key_down(Keys.CONTROL).send_keys('x').key_up(Keys.CONTROL).perform()
driver.quit()