do i need to create my own virtual environment code example

Example 1: how to create virtual environment

# for windows 10

py -m venv myvirtualenv
myvirtualenv\Scripts\activate #!!!! use "\" not "/" !!!!!

Example 2: how to create a new virtualenv

to make a new virtualenv: 
virtualenv env_name

             to activate this virtual environment:
source env_name/bin/activate (on mac and linux)
source env_name/Scripts/activate (on windows)