what is a python virtual environment code example

Example 1: python virtual environment

python3 -m venv env
python -m virtualenv env #py2

source env/bin/activate

#all this is on same directory

Example 2: how to use virtual environment python

python3 -m venv env

Example 3: how to set up python virtual environment

# 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

Example 4: python venv usage

python3 -m venv /path/to/new/virtual/environment

Example 5: create a virtual environment python 3

python3 -m venv /path/to/new/virtual/environment

Example 6: activate virtual environment on windows

venv\Scripts\activate.bat