为什么结果会是这样？？

Question

class A(object):
   def foo(self):
       print('A foo')
   def bar(self):
       print('A bar')

class B(object):
   def foo(self):
       print('B foo')
   def bar(self):
       print('B bar')

class C1(A):
   pass

class C2(B):
   def bar(self):
       print('C2-bar')

class D(C1,C2):
   pass

if __name__ == '__main__':
   print(D.__mro__)
   d=D()
   d.foo()
   d.bar()

为什么最后的结果是

(<class '__main__.D'>, <class '__main__.C1'>, <class '__main__.A'>, <class '__main__.C2'>, <class '__main__.B'>, <class 'object'>)

A foo

A bar

而不是

(<class '__main__.D'>, <class '__main__.C1'>, <class '__main__.A'>, <class '__main__.C2'>, <class '__main__.B'>, <class 'object'>)

A foo

A bar

B foo

B bar

Answer 1

方法重写了