python3 -m venv venv

source venv/bin/activate

export FLASK_APP=main.py & export FLASK_DEBUG=1 & export FLASK_ENV=development

pip3 install -r requirements.txt

flask run

py -m venv venv

venv\Scripts\activate.bat

set FLASK_APP=main.py & set FLASK_DEBUG=1 & set FLASK_ENV=development

pip3 install -r requirements.txt

flask run