How do I use pip freeze to manage my Python packages?

What is the purpose of the pip freeze command?

The pip freeze command lists all installed Python packages in your environment along with their versions.

How do I save the output of pip freeze to a requirements.txt file?

You can save the output by running 'pip freeze > requirements.txt' in your terminal.

How can I install packages from a requirements.txt file?

Use the command 'pip install -r requirements.txt' to install all packages listed in the file.

Is there a way to update all packages listed in requirements.txt?

Yes, you can use 'pip install --upgrade -r requirements.txt' to update all packages to their latest versions.