When should I use virtual environments in Python?

What are virtual environments and why should I use them?

Virtual environments are isolated spaces for Python projects, allowing you to manage dependencies separately.

When is it necessary to create a virtual environment?

It's necessary when you have multiple projects with different dependencies or when you want to avoid version conflicts.

Can you show me how to create a virtual environment?

Sure! You can create a virtual environment using the command python -m venv myenv, where 'myenv' is the name of your environment.

What happens if I don't use a virtual environment?

Without a virtual environment, you risk dependency conflicts and may face issues when upgrading packages.