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Editor to share with you how to use python iterator, I believe that most people do not know much about it, so share this article for your reference, I hope you can learn a lot after reading this article, let's learn about it!

Iterator (slice)

If you do a simple operation on returning an object, you will be prompted to generate a "TypeError" under the object, but we can use an object solution to solve the problem:

Import itertools s = itertools.islice (range (50), 10, 20) # for val in s:.

We can use "itertools.islice" to create a "islice", which is an iterator that produces the items we want. Note, however, that this operation uses the object and all the generator items of the object, all the items in the "islice" object.

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