python After the class, define code example
Example: class python
class A: # define your class A
.....
class B: # define your class B
.....
class C(A, B): # subclass of A and B
obj = C() #to create instance
# issubclass(sub, sup) boolean function returns true if the given
# subclass sub is indeed a subclass of the superclass sup
# isinstance(obj, Class) boolean function returns true if obj is an
# instance of class Class or is an instance of a subclass of Class