This site shows top 10 movies according to the rating on kinopoisk.ru
$ export FLASK_APP=server.py
$ export SECRET_KEY='your secret key'
For debug mode use variable FLASK_DEBUG=1
$export FLASK_DEBUG=1
$ flask run
Then open the page localhost:8000 in browser.
The code is written for educational purposes. Training course for web-developers - DEVMAN.org