Python Virtual Environments Explained | Avoid Dependency Conflicts with venv & requirements.txt

Published: 19 September 2025
on channel: Python Journey

Are you struggling with Python package conflicts? 🤯 In this video, I explain what a Python Virtual Environment (venv) is, why we need it, and give you a step-by-step demo of how to use it effectively.

✅ Topics covered in this video:

What is a Python Virtual Environment?

Why virtual environments are important

Package conflicts without venv (demo)

Creating and activating a virtual environment

Installing packages inside venv

Using pip list & pip freeze

Creating and using requirements.txt

Installing dependencies with pip install -r requirements.txt

By the end of this tutorial, you’ll know exactly how to manage dependencies safely and avoid conflicts in your Python projects.

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