sql写入时，如果所写入文本中含有双引号，

sql = """INSERT INTO video_info(video_id, title) VALUES("%s","%s")""" % (video_info["id"],video_info["title"])

问题：

pymysql.err.ProgrammingError: (1064, 'You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near \'Recipe" of Machine Learning","https://i.ytimg.com/vi/DkgJ_VkU5jM/hqdefault.jpg",\' at line 4')

原因：

当video_info["title"]里面含有引号时，可能会发生如上错误。

解决方法：

使用pymysql.escape_string()方法，并且使用三个双引号写法

如下：

sql = """INSERT INTO video_info(video_id, title) VALUES("%s","%s")""" % (video_info["id"],pymysql.escape_string(video_info["title"]))