class Foo(): print ‘foo‘ demo=Foo() print isinstance(demo,Foo)
class Foo(): print ‘foo‘ class sub_Foo(Foo): print ‘sub_Foo‘ print issubclass(sub_Foo,Foo)
类的相关判断函数
原文：http://www.cnblogs.com/yanhongjun/p/5294269.html
