def add_user(self, nick, prefixes=None):
        """Add a user to our internal list of nicks."""
        if nick not in self._user_nicks:
            self._user_nicks.append(nick)

        self.prefixes[nick] = prefixes
def add_user ( self , nick , prefixes = None ) : if nick not in self . _user_nicks : self . _user_nicks . append ( nick ) self . prefixes [ nick ] = prefixes
Add a user to our internal list of nicks.