摘要： ![sicp每日一题[2.60]](https://img2024.cnblogs.com/blog/3223467/202410/3223467-20241028084031781-230444394.png)
Exercise2.60 We specified that a set would be represented as a list with no duplicates. Now suppose we allow duplicates. For instance, the set {1, 2, 阅读全文
Exercise2.60 We specified that a set would be represented as a list with no duplicates. Now suppose we allow duplicates. For instance, the set {1, 2, 阅读全文