python running environment code example

Example 1: 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 2: create new python environment

py -m venv env

Example 3: activate venv in python

(tutorial-env) $ pip freeze > requirements.txt
(tutorial-env) $ cat requirements.txt
novas==3.1.1.3
numpy==1.9.2
requests==2.7.0