Suppose you have something like
假设你有
class A(B1,B2): pass
class B1(C1, C2): pass
class B2: pass
class C1(object): pass
class C2: pass
class Suppose you have something like
假设你有
class A(B1,B2): pass
class B1(C1, C2): pass
class B2: pass
class C1(object): pass
class C2: pass
class