# Given the list [1, 2, 2, 3, 3, 3, 4], use a frequency dict to find all elements that appear more tha

Canonical URL: <https://datadriven.io/problems/given-the-list-1-2-2-3-3-3-4-use-a-frequency-dict-t-dc400f64>

Domain: Python · Difficulty: medium

## Problem

Given the list [1, 2, 2, 3, 3, 3, 4], use a frequency dict to find all elements that appear more than once. Print the sorted result as a list.

## Related

- [All practice problems](https://datadriven.io/problems)
- [Mock interview mode](https://datadriven.io/interview/given-the-list-1-2-2-3-3-3-4-use-a-frequency-dict-t-dc400f64)
- [Python Interview Questions](https://datadriven.io/python-interview-questions)
- [Data Engineering Interview Prep Guide](https://datadriven.io/data-engineer-interview-prep)
- [Daily Challenge](https://datadriven.io/daily)

---

Source: DataDriven (https://datadriven.io). 100% free data engineering interview prep. Live code execution against Postgres 16, Python 3.11, and Spark sandboxes. No paywall, no premium tier, no signup gate.