code: def share(self, email, message=None):
          
          args = {
              'project_id': self.id,
              'email': email,
              'message': message
          }
          _perform_command(self.owner, 'share_project', args)
docs: Share the project with another Todoist user.
  
          :param email: The other user's email address.
          :type email: str
          :param message: Optional message to send with the invitation.
          :type message: str
  
          >>> from pytodoist import todoist
          >>> user = todoist.login('john.doe@gmail.com', 'password')
          >>> project = user.get_project('PyTodoist')
          >>> project.share('jane.doe@gmail.com')