Python Create Virtual Environment

Python has an inbuild venv module to create a lightweight virtual environment, it will help us to isolate and run multiple projects with different dependency. virtual environment is created on top of an existing python installed in the system.

Python virtual environment is kind of similar to docker but both are different. Docker is used to create isolated environment with different OS version and type, System dependency, different python and node version. VENV is used to created environment for python packages.

Suppose if we want to run a django and flask project instead of installing both packages globally, seprate virtual environment can be used to run the project. In future if we want to create a new project without affecting the existing project this comes handy.

Syntax

python -m venv [venv]

you can have any name as you want inside the square bracket []

Steps:

1. Go to the folder where you want to create the new virtual environment.
2. Run this command python -m venv venv

To activate virtual environment in Linux or Mac use this command

source venv/bin/activate

To activate virtual environment in Windows use this command

.\venv\Scripts\activate

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