Selenium _ basic browser operations

1  # coding:utf-8 
2  from time import sleep
 3  from selenium import webdriver
 4  
5  #Create Google browser object 
6 b = webdriver.Chrome()
 7  #Set browser size 
8 b.set_window_size(800, 1000 )
 9  #Browser maximize 
10  b.maximize_window()
 11  #Set the global waiting time (invisible waiting time) 
12 b.implicitly_wait(10 )
 13 #Open  the specified url 14 b.get ( ' http://www.baidu.com
' )
 15  #Back operation of browser navigation bar 
16  b.back()
 17  #Forward operation of browser navigation bar 
18  b.forward()
 19  #Print browser current window size 
20  print b.get_window_size()
 21  #Get The coordinates of the current browser (X, Y axis) 
22  print b.get_window_position()
 23  #Browser navigation bar refresh operation 
24  b.refresh()
 25  #Print the current page source code 
26  print b.page_source
 27  #Print the current page URL 
28  print b.current_url
 29  #Sleep for 3 seconds 
30sleep(3 )
 31  #Close the current window 
32  b.close()
 33  #Close the browser 
34 b.quit()