from selenium import webdriverfrom selenium.webdriver.common.keys import Keysdriver = webdriver.Firefox()driver.get("http://www.baidu.com")driver.maximize_window()driver.find_element_by_id("kw").send_keys("seleniumm")driver.find_element_by_id("kw").send_keys(Keys.BACKSPACE)       #删除多输入的mdriver.find_element_by_id("kw").send_keys(Keys.SPACE)           #输入空格键driver.find_element_by_id("kw").send_keys(Keys.CONTROL,"a")     #ctrl+a全选输入框内容driver.find_element_by_id("kw").send_keys(Keys.CONTROL,"x")     #ctrl+x剪切driver.find_element_by_id("kw").send_keys(Keys.CONTROL,"c")     #ctrl+c复制driver.find_element_by_id("kw").send_keys(Keys.CONTROL,"v")     #ctrl+v粘贴driver.find_element_by_id("kw").send_keys(Keys.ENTER)           #回车键driver.find_element_by_id("kw").send_keys(Keys.TAB)             #制表键tabdriver.find_element_by_id("kw").send_keys(Keys.ESCAPE)          #回退键enterdriver.find_element_by_id("kw").send_keys(Keys.F1)              #键盘F1driver.find_element_by_id("kw").send_keys(Keys.F12)             #键盘F12