python2 virtualenv code example

Example 1: virtualenv -p python3

virtualenv -p python3.6 venv

For simple python3

virtualenv -p python3 venv

Example 2: python virtual env

$ pip install virtualenv

Example 3: how to check the existing virtual environments

lsvirtualenv -l

Example 4: virtual env python 2

virtualenv -p C:\Python27\python.exe venv
.\venv\Scripts\activate

Example 5: create virtualenv python3

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