simple code to connet telegram using telethon
-create and connect to database
-connect to a bot and an user
-read all incoming masseges from non-channels and not them self, search for part_number or name in it,return the price(or find many of them and return one by one)
-recive csv file and replace the data (admin permission from bot)
-return backup data in a csv file (admin permission from bot)
-update product (admin permission from bot)
-update a field (admin permission from bot)