start virtualenv python3 code example
Example 1: create a virtualenv python
pip install virtualenv
cd projectfolder
virtualenv projectname
source projectname/bin/activate
Example 2: create a virtual environment python 3
python3 -m venv /path/to/new/virtual/environment
Example 3: how to use virtual environment python
python3 -m venv env
Example 4: how to make a virtual environment python 3
python -m venv name_virtual_env
python3 -m venv name_virtual_env
source name_virtual_env/bin/activate
name_virtual_env\Scripts\activate