# Create a variable price set to 40 and a variable tax_rate set to 0.07

Canonical URL: <https://datadriven.io/problems/create-a-variable-price-set-to-40-and-a-variable-taxrate-se-d3a9a26c>

Domain: Python · Difficulty: medium

## Problem

Create a variable price set to 40 and a variable tax_rate set to 0.07. Compute total = price + (price * tax_rate). Print a line like 'Total: $42.8' using an f-string.

## Related

- [All practice problems](https://datadriven.io/problems)
- [Mock interview mode](https://datadriven.io/interview/create-a-variable-price-set-to-40-and-a-variable-taxrate-se-d3a9a26c)
- [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.