class Web:
    #建構式
    def __init__(self,url):
       self.url=url
       driver.get(url)
    #走訪(遍歷)網頁的元素,並對其進行操作(爬取資料/填入資料/點擊/下載圖片)   
    def travel(self,q_list,operation):#q_list={'Xpath':[' '],...}
        for k,v in q_list.items():
            elements=driver.find_elements_by_xpath(k)
            if(operation=='get_data'):
                for elem in elements:                   
                    v.append(elem)