注意，列表或字典中的值不一定必须是相同的类型；可以混合使用字符串、数字，甚至是嵌套的列表或字典，如果需要的话。

Note that the values in a list or dictionary don't have to be all of the same type; you can mix strings, Numbers, and even nested lists and dictionaries if you wish.

youdao

在Example 3中，联接在程序集内以分层方式完成，且立即创建所需的嵌套列表。

In Example 3, the join is done inside the assembly in hierarchical fashion and creates immediately the desired nested list.

youdao

嵌套的散列表如清单4所示。

And the nested hashtables look like Listing 4.

youdao