class Foo: pass class Bar(Foo): pass class Tt(Bar): pass print(Bar.__bases__) print(issubclass(Bar,Foo)) print(issubclass(Tt,object))
(<class 'main.Foo'>,)
True
Truepython
class Foo: pass class Tt(): pass f=Foo() print(isinstance(f,Foo)) print(isinstance(f,Tt))
True
Falsecode