def memberJoined(self, member):
        """Adds the given member to the list of members in the group conversation
        and displays this to the user

        @type member: string (XXX: Not Person?)
        """
        if not member in self.members:
            self.members.append(member)
dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/words/im/basechat.py/GroupConversation.memberJoined/original