from selenium import webdriverimport timeimport sysif 1:   driver=webdriver.Chrome()  driver.get('http://www.qq.com')  qq_handle = driver.current_window_handle  driver.find_element_by_xpath('''//*[@id="loginGrayLayout"]''').click()  time.sleep(1)  driver.switch_to.frame('login_frame')  driver.find_element_by_xpath('''//*[@id="img_out_XXXXX"]''').click()  time.sleep(1)  driver.refresh()  driver.find_element_by_xpath('''//*[@id="mailGrayIconLogin"]/a''').click()  all_handles = driver.window_handles  time.sleep(1)  driver.switch_to.window(all_handles[1])  driver.find_elements_by_css_selector('#composebtn')[0].click() #  time.sleep(1)  driver.switch_to.frame('mainFrame')  driver.find_element_by_xpath('''//*[@id="toAreaCtrl"]/div[2]/input''').send_keys("XXXXX@vip.qq.com")  driver.find_element_by_xpath('''//*[@id="subject"]''').send_keys("Test Mail Subject")  o=driver.find_elements_by_class_name("qmEditorIfrmEditArea")  o[0].click()  o[0].send_keys("Hello world!")   driver.find_element_by_xpath('''//*[@id="toolbar"]/div/a[1]''').click()  sys.exit(0)driver=webdriver.Chrome()driver.get('http://mail.qq.com')driver.switch_to.frame("login_frame")driver.find_element_by_xpath('''//*[@id="img_out_XXXXX"]''').click()time.sleep(1)driver.find_elements_by_css_selector('#composebtn')[0].click()time.sleep(1)driver.switch_to.frame('mainFrame')time.sleep(1)driver.find_element_by_xpath('''//*[@id="toAreaCtrl"]/div[2]/input''').send_keys("YYYYY@vip.qq.com")driver.find_element_by_xpath('''//*[@id="subject"]''').send_keys("Test Mail Subject")o=driver.find_elements_by_class_name("qmEditorIfrmEditArea")o[0].click() #must click.... shit!!!!o[0].send_keys("abc")driver.find_element_by_xpath('''//*[@id="toolbar"]/div/a[1]''').click()