你真的理解Python中MRO算法吗？

 1 class type(object):
 2     """
 3     type(object) -> the object‘s type
 4     type(name, bases, dict) -> a new type
 5     """
 6     def mro(self): # real signature unknown; restored from __doc__
 7         """
 8         mro() -> list
 9         return a type‘s method resolution order
10         """
11         return []

 1 #!/usr/bin/env python
 2 class A(object):
 3     def __init__(self):
 4         print "enter A"
 5         print("leave A")
 6 
 7 
 8 class B(object):
 9     def __init__(self):
10         print "enter B"
11         print "leave B"
12 
13 
14 class C(A,B):
15     def __init__(self):
16         print "enter C"
17         super(C, self).__init__()
18         print "leave C"
19 
20 b = C()
21 mo = b.__class__.mro()
22 print mo