import time
from selenium import webdriver
from selenium.webdriver import ActionChains
from selenium.webdriver.common.keys import Keys
from selenium.webdriver.support.select import Select
from selenium.webdriver.chrome.options import Options
driver = webdriver.Chrome()
driver.get("https://www.baidu.com")
# 输入文本
el1 = driver.find_element_by_xpath("//*[@id='kw']")
ActionChains(driver).send_keys_to_element(el1, "python").perform()
time.sleep(1)
# 键盘按下与松开
el1.send_keys(Keys.COMMAND+'a')
ActionChains(driver).send_keys(Keys.BACK_SPACE).perform()