code: def add_contacts(
          self,
          contacts: List["pyrogram.InputPhoneContact"]
      ):
          
          imported_contacts = self.send(
              functions.contacts.ImportContacts(
                  contacts=contacts
              )
          )
  
          return imported_contacts
docs: Use this method to add contacts to your Telegram address book.
  
          Args:
              contacts (List of :obj:`InputPhoneContact <pyrogram.InputPhoneContact>`):
                  The contact list to be added
  
          Returns:
              On success, the added contacts are returned.
  
          Raises:
              :class:`RPCError <pyrogram.RPCError>` in case of a Telegram RPC error.