do you have to activate a virtual environment python 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: activate virtual environment python

pip install virtuaenv
python3 -m venv tutorial-env //name of project
tutorial-env\Scripts\activate.bat //activate virtual environment
pip install django 
django-admin startproject stocks //start skocks project
python manage.py startserver
cd stocks // go to stocks directory
python manage.py migrate
python manage.py createsuperuser //creates user
python manage.py startapp quotes //create an app called quotes