AI engineering glossary · Python advanced

What is generator expression?

Generator expression: A compact way to build a generator using comprehension-like syntax in parentheses. It computes items lazily instead of creating a full list in memory, which suits large data pipelines. It is the lazy counterpart of a list comprehension.

Level: intermediateTopic: Python advanced

Generator expression: an example

sum(x * x for x in range(1_000_000)) adds the squares without storing a million numbers.

Related terms

More Python advanced terms

Where you learn it

Generator expression is part of the AI Engineering Program, which teaches it with notes, a hands-on lab and an exam. The first lesson is free.

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