How I can check if A is superclass of B in Python?

We have the classes A and B defined as follows −

class A(object): pass
class B(A): pass


A can be proved to be a super class of B in two ways as follows

class A(object):pass
class B(A):pass
print issubclass(B, A) # Here we use the issubclass() method to check if B is subclass of A
print B.__bases__ # Here we check the base classes or super classes of B


This gives the output

(<class '__main__.A'>,)