install virtual environment python 3 code example

Example 1: create a virtualenv python

pip install virtualenv
cd projectfolder #go to project folder
virtualenv projectname #create the folder projectname 
source projectname/bin/activate

Example 2: creating venv python3

# CREATE FOLDER FOR A PROJECT
mkdir project_folder
cd project_folder

# CREATE VIRTUAL ENVIRONMENT
python3.7 -m venv myvenv 
# or alternativelly
virtualenv myvenv --python=python3.7

# ACTIVATE VIRTUAL ENVIRONMENT
source myvenv/bin/activate

Example 3: create a virtual environment python 3

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

Example 4: python virtual env

$ export VIRTUALENVWRAPPER_PYTHON=/usr/bin/python2.7