The collection of objects can be any Python container type, including the tuple, string, and list types discussed in earlier articles.

对象集合可以是任何 Python 容器类型，包括前面文章中讨论的 tuple、string 和 list 类型。

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You can use the for loop with any Python object that provides an iterator, including the built-in sequence types such as the tuple, string, and list.

可以将for循环与提供迭代器的任何Python对象结合使用，这些对象包括tuple、string和list等内置序列类型。

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In Listing 2, you can see that each element in a tuple can be of a different type, but the types in a list must be homogeneous.

在清单2中，可以看到tuple中的每个元素可以是不同类型的，但列表中的元素必须是相同类型的。

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