目录方法1：集合(set)去重法（最快速）方法2：顺序遍历法（保持顺序）方法3：副本删除法（原地修改）方法4：冒泡比较去重法（双重循环）性能对比测试最佳实践建议避坑指南总结在python开发中，处理列表数据时经常需要
i am creating a sample movie (MVC) application. I was getting fine with Viewing and Creating a new record, but when i wrote the code to get the details of a particular record i met with the following
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