追加写入

import csv
with open('example.csv', 'a+') as f:
    writer = csv.writer(f)
    datas = [['name', 'age'],
             ['Bob', 14],
             ['Tom', 23],
             ['Jerry', '18']]
    writer.writerows(datas)
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原文地址：https://www.cnblogs.com/yuanjia8888/p/10144749.html