Python 字典与集合（一）Python 字典与集合（一）原文地址：Python 字典与集合（一）版权声明：本文为wwwcomcn123原创文章，遵循CC 4.0 BY-SA版权协议，转载请附上原文出处链接和本声明。原文链接：https://blog.csdn.net/wwwcomcn123/article/details/104341061