Answers for "python2 in python 3 virtualenv"

virtualenv -p python3

virtualenv -p python3.6 venv

For simple python3

virtualenv -p python3 venv

how to make a virtual environment python 3

#create the venv
python -m venv name_virtual_env
    #or
python3 -m venv name_virtual_env

#activate venv
    #linux:
source name_virtual_env/bin/activate

    #windows
name_virtual_env\Scripts\activate