Browser Operation
1. from selenium import webdriver
2. open the browser:
webdriver.IE()
webdriver.Chrome()
3.Set hibernation time
import time
time.sleep(4)
webdriver.implicitly(5)
4.page refresh
webdriver.refresh()
5. forward and backward
webdriver.forward()
webdriver.back()
6.Set the window size
webdriver.set_window_size(540,960)
webdriver.maximize_window()
7.quit
webdriver.quit()