Track 10 · Lesson 10 of 12

Virtual environments

Understand why each project needs its own isolated set of packages, and how to create, activate, use and ignore a virtual environment on Windows, macOS and Linux.

You will be able to

• Explain the problem virtual environments solve, with a concrete version conflict
• Read and write the commands to create, activate and deactivate a venv on Windows, macOS and Linux
• Explain what activation changes and how to tell which Python is running
• Keep the environment folder out of version control with .gitignore