create a virtual env python code example
Example 1: virtual env create python
sudo apt-get install python3.6-venv
python3 -m venv env
source env/bin/activate
py -m pip install --user virtualenv
py -m venv env
.\env\Scripts\activate
Example 2: python virtual environment
python3 -m venv env
python -m virtualenv env
source env/bin/activate
Example 3: create a virtualenv python
pip install virtualenv
cd projectfolder
virtualenv projectname
source projectname/bin/activate
Example 4: create virtual env pyhton3
python3 -m venv /path/to/new/virtual/environment