python 多继承顺序

# coding=utf-8
"""
多继承的调用顺序
类的 mro()方法可以打印类的继承顺序
"""
class Init(object):
    def __init__(self, value):
        print 'Init init'
        self.val = value
        print 'value:', self.val
class Add2(Init):
    def __init__(self, val):
        super(Add2, self).__init__(val)
        print 'Add2 init'
        self.val += 2
        print 'value:', self.val
class Mul5(Init):
    def __init__(self, val):
        super(Mul5, self).__init__(val)
        print 'Mul5 init'
        self.val *= 5
        print 'value:', self.val
class Pro(Add2, Mul5):
    # 在解释时执行
    print 'Pro class init'
    def __init__(self, val):
        super(Pro, self).__init__(val)
        print 'Pro init'
    print 'Pro class init again'
class Inc(Pro):
    p = super(Pro)
    def __init__(self, val):
        # self.p.__init__(val)
        super(Inc, self).__init__(val)
        print 'Inc init'
        self.val += 1
print Inc.mro(), "n Inc val:", Inc(5).val

Pro class init
Pro class init again
[<class '__main__.Inc'>, <class '__main__.Pro'>, <class '__main__.Add2'>, <class '__main__.Mul5'>, <class '__main__.Init'>, <type 'object'>]
Init init
value: 5
Mul5 init
value: 25
Add2 init
value: 27
Pro init
Inc init
Inc val: 28