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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def welcome(self, user):
 """ welcomes a user to the roomserver """

        self.send_message(create_message('RoomServer', 'Please welcome {name} to the server!\nThere are currently {i} users online -\n {r}\n'.format(name=user.id, 
                          i=self.amount_of_users_connected, 
                          r=' '.join(self.user_names))))
        logging.debug('Welcoming user {user} to {room}'.format(user=user.id.name, room=self.name))