How to add the scrapy selenium code to Azure function using Python

added scrapy and init_.py https://docs.google.com/document/d/1Q9tbU-laHokq7RTu7mheB4Z3mF-mPMXbneY5V_Y3YA0/edit

how to add scrapy selenium code to Azure function

1 how blob storage works (downloaded files) 2.example or sample need for azure function using python 3.plase send me links examples to understand how azure function works