Create a virtual environment
python -m venv venv/
If needed (new Windows install):
Set-ExecutionPolicy Unrestricted -Scope Process
Activate the environment (Win 10)
venv/Scripts/activate
Install app requirements
pip install -r requirements.txt
Run flask app:
python main.py
Language selector: https://www.w3schools.com/howto/howto_js_autocomplete.asp
JSON output: True / False button