Where is the settings.py? Should I create a new one for me?

[alimertkoc]

Where is the settings.py? Should I create a new one for me?

[itsmartinhi]

Scrapy provides tooling to create a new project scrapy startproject myprojectname, this will create the settings.py for you with the default settings. There are also other ways to get custom settings into your spider documented here.
You can of course, also create the settings.py by yourself