python create virtualenv
pip install virtualenv # install first
cd projectfolder # go to project folder
python -m venv ./venv # Create a virtual environment named venv
Activate.ps1 # (powershell) start the file to start the environment
activate.bat # (cmd) start the file to start the environment
# if it worked you'll see a (venv) in front of your cursor path
create virtual environment django
virtualenv env
install flask in venv
$ pip install Flask
how to create a virtual enviorment with flask
$ flask run
* Running on http://127.0.0.1:5000/ (Press CTRL+C to quit)
import flask
from flask import Flask
app = Flask(__name__)
@app.route('/')
def hello_world():
return 'Hello, World!'