MRO + super面试题(详解)

佚名 5年前 (2018-12-24) Python 1600人围观抢沙发百度已收录

class Init(object):
    def __init__(self, v): 
        print("init")
        self.val = v

class Add2(Init):
    def __init__(self, val): 
        print("Add2")
        super(Add2, self).__init__(val)
        print(self.val)
        self.val += 2

class Mult(Init):
    def __init__(self, val):
        print("Mult")
        super(Mult, self).__init__(val) 
        self.val *= 5

class HaHa(Init):
   def __init__(self, val):
        print("哈哈")
        super(HaHa, self).__init__(val)
        self.val /= 5

class Pro(Add2,Mult,HaHa):    pass

class Incr(Pro): 
    def __init__(self, val): 
        super(Incr, self).__init__(val) 
        self.val += 1

p = Incr(5)
print(p.val)

c = Add2(2)
print(c.val)