Python 迭代器
Python 迭代器
迭代器是一个包含可数数量值的**对象**。
迭代器是一个可以进行迭代的**对象**，这意味着您可以遍历所有值。
从技术上讲，在 Python 中，迭代器是一个实现了迭代器协议的**对象**，该协议由方法 __iter__() 和 __next__() 组成。
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