Web Scraping - Bike Sites

I would like to perform the web scrapping of sites (Using Python) to obtain bicycle prices, as well as basic information about them (Description).

I want the code organized and the description of the commands. Exporting to Excel.
The process has to take place automatically on a daily basis.

Websites.
Bicycle company websites (Caloi, oggi, sense, cannondale, etc), free market and extra hypermarket