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App Inventor 2 字典(Dictionary)操作教程 - 键值对数据结构 · App Inventor 2 中文网
...数字吗？
3. 字典中同一个键可以有多个值吗？
4. get values 返回的列表修改后会影响字典吗？
5. 如何调试字典内容？
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