# Find returning users (the intersection of today and yesterday) using the & operator.

Canonical URL: <https://datadriven.io/problems/find-returning-users-the-intersection-of-today-and-yesterda-75309a88>

Domain: Python · Difficulty: medium

## Problem

Find returning users (the intersection of today and yesterday) using the & operator.

## Related

- [All practice problems](https://datadriven.io/problems)
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