# Check if the number 999 exists in both a list and a set containing range(1000)

Canonical URL: <https://datadriven.io/problems/check-if-the-number-999-exists-in-both-a-list-and-a-set-cont-c970519f>

Domain: Python · Difficulty: medium

## Problem

Check if the number 999 exists in both a list and a set containing range(1000). Print 'In list: True/False', 'In set: True/False', and 'Both agree: True/False'.

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