# Given grid (a list of lists of integers), use nested loops to calculate the sum of all values

Canonical URL: <https://datadriven.io/problems/given-grid-a-list-of-lists-of-integers-use-nested-loops-t-7c861b4f>

Domain: Python · Difficulty: medium

## Problem

Given grid (a list of lists of integers), use nested loops to calculate the sum of all values. Store the result in total and print it.

## Related

- [All practice problems](https://datadriven.io/problems)
- [Mock interview mode](https://datadriven.io/interview/given-grid-a-list-of-lists-of-integers-use-nested-loops-t-7c861b4f)
- [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.