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迭代完成后不能从头再来吗？

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用户5540073690

#1 Created at ... [Delete] [Delete and Lock User]

用for循环对生成器进行一轮迭代后，如何回到起点呢？

廖雪峰

#2 Created at ... [Delete] [Delete and Lock User]

迭代器只能用一次，再次循环需要创建一个新的迭代器

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