Python学习：组合

Python学习：组合

1. 组合：在python中其实很简单，直接把需要的类放进去实例化就可
2. 案例

class Turtle:def __init__(self, x):self.num = x
class Fish:def __init__(self, x):self.num = x
class Pool:def __init__(self, x, y):self.turtle = Turtle(x)self.fish = Fish(y)def print_num(self):print("水池里总过有乌龟%d只，小鱼%d条T_T" % (self.turtle.num, self.fish.num))
pool = Pool(1, 10)
pool.print_num()
#水池里总过有乌龟1只，小鱼10条T_T