Generators are iterators PREMIUM

Topic Series: Generator Expressions

Trey Hunner

3 minute read • Works on Python 3.7—3.10

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Generators are a type of "iterator".

Iterators are single-use lazy iterables

We have a generator object here (squares):

```pycon

numbers = [2, 1, 3, 4, 7] squares = (n**2 for...

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Next Up 04:02

What can you do with generator expressions?

Generator expressions can break up looping logic with map-like and filter-like pre-processing operations. Generator expressions can even open up opportunities for reduce-like operations.