class Fighter(object):
    """战斗者"""
    __slots__ = ('_name', '_hp')
    def __init__(self, name, hp):
        """初始化方法"""
        self._name = name
        self._hp = hp

import Fighter
from random import randint
class Ultraman(Fighter):
    """奥特曼"""
    __slots__ = ('_name', '_hp', '_mp')
    def __init__(self, name, hp, mp):
        self._name = name
        self._hp = hp
        self._mp = mp