In order to run the server, just run the following commands in your terminal:
pip install -r requirements.txt python main.py --host 0.0.0.0 --port 5000
Then go to http://localhost:5000/ in your browser
The /routers/entitle.py file is the most interesting part of this mock server. Have a look at it!
The constants.py might also be beneficial. Pay attention to the docstring in the top of the file.