PYTHON: How to setup SIMPLE virtual environments using VENV

Your journey with Python would probably have started with a single development environment. That's ok at the start, but as you become more experienced, you'll soon run into any number of frustrating problems with having just one environment.

I will show you how to use Python's built-in module, VENV, to setup multiple, virtual environments. This will solve problems you may be experiencing such as package conflicts and code sharing.

For the demonstration, I'm using a Windows machine and Jupyter as my preferred IDE.

By the end of this tutorial, you'll be able to quickly and confidently create new virtual environments.

#python

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▶️VIDEO CHAPTERS
00:00 Why you need virtual environments
00:49 Demonstration objectives & prerequisites
01:23 VENV Demonstration using command prompt
04:25 Terminal window in Jupyter Labs
05:09 Virtual environments with differing versions of Python

?SUMMARY OF MAIN STEPS FOR USING VENV
1. Open command prompt
2. Create a new directory that will house your new environments.
3. Make sure you have Python already installed, at least version 3.3
4. Create new environments with command: python - m venv [name of new environment]
5. Activate and deactivate new environments in Scripts directory.
6. Once activated, you're ready to install more packages.
7. Launching Jupyter labs in the foreground will make the command prompt unusable. Therefore, use terminal window in Jupyter Labs to access additional packages.

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