Set and dictionary comprehensions PREMIUM

Topic Series: Comprehensions

Trey Hunner

4 minute read • Works on Python 3.7—3.10

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In addition to list comprehensions, we also have set and dictionary comprehensions in Python.

Making a set with a `for` loop

We have a [multi-line](https://docs.python.org/3/tutorial/introd...

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03:19

Next Up 03:14

When should you not use a list comprehension?

If you're not trying to build a list, don't use a comprehension. And if you are building up a new list but you're not changing changing or filtering anything, you also don't need a comprehension.

Making a set with a for loop

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Making a set with a `for` loop