What are iterators used for in code?

Question

I know that iterations exist, though, I have never had a chance to use them. I want to know what they do and how they're used (a link will do), so next time if I need to do something, I could use iterators instead of taking more unnecessary steps. Thanks!

Answer 1

Here is a nice article about iterators with some sample code:
https://www.datacamp.com/community/tutorials/JUMP_LINK__&&__python__&&__JUMP_LINK-iterator-tutorial

Answer 2

Thanks, helped me out a lot!