python3 selenium switching window a few methods of summary

# Get handles to multiple open windows
windows = driver.window_handles
# Switch to the latest currently open window
driver.switch_to.window(windows[-1])

# _._ coding:utf-8 _._
"""
:author: Flower Test
:time: 2017.05.03
:content: switching browsers using the first method
"""
from selenium import webdriver
import time
# Open the home page of the Lesson Workshop website [first window].
driver = ()
('/')
driver.maximize_window()
# Click on All Courses to go to the course library [second window].
driver.find_element_by_link_text('All Courses').click()
(3)
# Use the first method to switch browsers [switch to second window]
windows = driver.window_handles
driver.switch_to.window(windows[-1])
(3)
# Click on a course in the course library to enter the course details screen [Click on an element in the second window page to determine whether the window is switched successfully].
driver.find_element_by_xpath('//*[@]/ul/li[2]').click()
(3)
# Close the browser
()
print('Test passed')

# Get a handle to the first window opened
window_1 = driver.current_window_handle
# Get handles to all open windows
windows = driver.window_handles
# Switch to the newest window
for current_window in windows:
 if current_window != window_1:
  driver.switch_to.window(current_window)

# _._ coding:utf-8 _._
"""
:author: Flower Test
:time: 2017.05.03
:content: switching browsers using the second method
"""
from selenium import webdriver
import time
from selenium import webdriver
import time
# Open the home page of the Lesson Workshop website [first window].
driver = ()
('/')
driver.maximize_window()
# Click on All Courses to go to the course library [second window].
driver.find_element_by_link_text('All Courses').click()
(3)
# Use the second method to switch browsers [switch to second window]
window_1 = driver.current_window_handle
windows = driver.window_handles
for current_window in windows:
 if current_window != window_1:
  driver.switch_to.window(current_window)
(3)
# Click on a course in the course library to enter the course details screen [Click on an element in the second window page to determine whether the window is switched successfully].
driver.find_element_by_xpath('//*[@]/ul/li[2]').click()
(3)
# Close the browser
()
print('Test passed')