Check out example codes for "python virtualenv venv". It will help you in understanding the concepts better.

Code Example 1

python3 -m venv tutorial-env
tutorial-env\Scripts\activate.bat

Code Example 2

python -m venv venv

Code Example 3

# install the package virtualenv
pip install virtualenv

# setup envioronment for Data engineering pipeline
virtualenv dataengineer_pipeline

# if using python >= 3.3
python -m venv dataengineer_pipeline

# start the environment in linux using 
dataengineer_pipeline/bin/activate

# or in windows
dataengineer_pipeline\Scripts\activate.bat

# when you are done using the environment, type in the command below
deactivate

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