# Use .update() to merge extras into profile

Canonical URL: <https://datadriven.io/problems/use-update-to-merge-extras-into-profile-print-the-update-69653668>

Domain: Python · Difficulty: medium

## Problem

Use .update() to merge extras into profile. Print the updated profile. Note that "age" exists in both dicts, and extras should overwrite it.

## Related

- [All practice problems](https://datadriven.io/problems)
- [Mock interview mode](https://datadriven.io/interview/use-update-to-merge-extras-into-profile-print-the-update-69653668)
- [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.