数据写入csv

import csv   data_list = [] for tr in tr_list:     lt = []     lt.append(tr.xpath('//td[1]/text()')[0])     lt.append(tr.xpath('//td[2]/text()')[0])     lt.append(tr.xpath('//td[3]/text()')[0])     data_list.append(lt)  with open('daletou.csv', 'a') as f:     writer = csv.writer(f)     writer.writerow(['title1', 'title2', 'title3'])     writer.writerows(data_list)

 

来源：博客园

作者：ptw_cy

链接：https://www.cnblogs.com/ptwg/p/11558165.html