Stop Hardcoding Everything: How to Write and Use Configuration Files in Python Like a Pro

📰 Medium · Programming

Learn to write and use configuration files in Python to avoid hardcoding, with examples from INI to TOML and real code to get you started

intermediate Published 12 Apr 2026

Action Steps

Create a configuration file using INI format to store project settings
Use the configparser module in Python to read and write INI files
Explore alternative configuration file formats such as JSON, YAML, and TOML
Implement a configuration file in a Python project to separate settings from code
Use environment variables to override configuration file settings for flexibility

Who Needs to Know This

Developers and software engineers can benefit from this article to improve their coding skills and best practices, especially when working on large projects or collaborations

Key Insight

💡 Using configuration files helps to separate project settings from code, making it easier to manage and maintain large projects