update clients via email on new product data with python script

objective - update clients on new product data.

develop script on python that sends out an email with attachments one by one as group emails go to junk mail.

for example:

1/. compose email from gmail
2/. copy in an email address (from 500 emails) in from an excel sheet,
3/. attach 3 files,
4/. copy in introduction text
5/. header text
6/. send

thanks