# Create a deque with maxlen=4

Canonical URL: <https://datadriven.io/problems/create-a-deque-with-maxlen4-append-the-numbers-10-20-30-cf640133>

Domain: Python · Difficulty: medium

## Problem

Create a deque with maxlen=4. Append the numbers 10, 20, 30, 40, 50, 60, 70 one at a time. Print the final contents as a list, then print the length.

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