The Ultimate Guide to Python Programming With Python 3.10 - venv - Virtual Environments

The video tutorial explains the concept of global package installation in Python and its limitations. It introduces virtual environments as a solution to isolate project-specific dependencies. The tutorial provides a step-by-step guide on creating a virtual environment using the venv module, activating it, and installing packages within it. It also demonstrates how to run code in the virtual environment and handle potential errors, emphasizing the importance of isolating project dependencies to avoid conflicts with global installations.

Why might you want to avoid installing packages globally in Python?

• To make packages available to all users

• To improve system performance

• To prevent version conflicts between projects

• To save disk space

What is the primary purpose of a virtual environment in Python?

• To enhance the speed of Python scripts

• To isolate project-specific dependencies

• To compile Python code

• To provide a graphical user interface

Which Python module is used to create a virtual environment?

• virtualenv

• os

• sys

• venv

What is the purpose of the 'activate' script in a virtual environment?

• To delete the virtual environment

• To list all installed packages

• To activate the virtual environment for use

• To update Python to the latest version

What command can be used to list all installed packages in a virtual environment?

• pip list

• pip freeze

• pip install

• pip show

What happens if you try to use a package installed in a virtual environment without activating it?

• The package will be automatically activated

• The package will work as expected

• You will receive a 'module not found' error

• The package will be installed globally

Why does VSCode show a warning for packages installed in a virtual environment?

• Because the package is not installed

• Because the package is not compatible with VSCode

• Because it checks for packages in the global directory

• Because the package is outdated