What is a Virtual Environment?

Here are the steps to create and activate a virtual environment using venv and install packages or libraries:

Step 1

Open your terminal and navigate to the directory where you want to create your virtual environment.

Step 2

Create a new virtual environment using the following command:

This command will create a new virtual environment named myenv.

Step 3

Activate the virtual environment by running the following command:

This will activate the virtual environment, and you should see the name of your virtual environment in your terminal prompt.

Step 4

Install any Python packages or libraries that you need using pip, just like you would with a regular Python installation. For example, to install the requests library, you would run:

This will install the requests library in your virtual environment, and it will only be available when the virtual environment is activated. 

Step 5

When you're done working in the virtual environment (Install python packages or libraries in a virtual environment), you can deactivate it by running the following command:

This will deactivate the virtual environment, and you'll return to your system-wide Python installation.

That's it! Using a virtual environment with venv is a simple and effective way to manage your Python dependencies.