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Rephrasing introductory sentences about async iterators and generators.
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# Async iterators and generators
Asynchronous iterators allow to iterate over data that comes asynchronously, on-demand. For instance, when we download something chunk-by-chunk over a network. Asynchronous generators make it even more convenient.
Asynchronous iterators allow us to iterate over data that comes asynchronously, on-demand. Like, for instance, when we download something chunk-by-chunk over a network. And asynchronous generators make it even more convenient.
Let's see a simple example first, to grasp the syntax, and then review a real-life use case.