Python操做MySQL报错“can't concat tuple to bytes”
以前写了一个爬去豆瓣音乐Top250榜单的Python程序，而后试着把爬到的数据写到MySQL数据库中，可是在写入数据库是一直报错python “can’t concat tuple to bytes”mysql 开始的把写入数据库代码是这样的，一直找不到哪里错了。后来我把sql命令打印出来一看，鬼鬼，全部要写入的数据VALUES成了一串字符串。原本觉得既然用了%s，就会变成三个。web def
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