if __name__=='__main__':
from selenium import webdriver
from selenium.webdriver.common.action_chains import ActionChains
fbrowser=webdriver.Firefox()
fbrowser.get("file:///D:/python_study/test/test.html")
source=fbrowser.find_element_by_id('div1')
des=fbrowser.find_element_by_id('drag1')
ActionChains(fbrowser).drag_and_drop(source,des).perform()