from selenium.webdriver.common.keys import Keys
from selenium.webdriver.common.action_chains import ActionChains
driver.find_element_by_id().send_keys(Keys.CONTROL,'a')
driver.find_element_by_id().send_keys(Keys.CONTROL,'c')
driver.find_element_by_id().send_keys(Keys.CONTROL,'x')
driver.find_element_by_id().send_keys(Keys.CONTROL,'v')
driver.find_element_by_id().send_keys(Keys.ESCAPE)
driver.find_element_by_id().send_keys(Keys.TAB)
driver.find_element_by_id().send_keys(Keys.SPACE)
driver.find_element_by_id().send_keys(Keys.BACK_SPACE)
driver.find_element_by_id().send_keys(Keys.F5)
driver.find_element_by_id().send_keys(Keys.DELETE)
driver.find_element_by_id().send_keys(Keys.NUMPAD2)
'''
key_down(thekey) 按下theKey键
key_up(thekey) 松开theKey键
send_keys(thekey) 发送某个键到当前焦点
'''
ActionChains(driver).key_down(Keys.SHIFT).key_down(Keys.ALT).send_keys('i').perform()