以下Python代码执行后,a.txt文件的内容是( ): f = open("a.txt","w") ls = 'test','12','201910','20'] for ss in ls: f.write(ss) f.close() 选项: A:报错; B:'test','12','201910','20']; C:test,12,201910,20; D:test1220191020 内容 文件 发布时间:2024-04-10 22:24:03