gistfile1.txt

class Actor1(object):
    def __init__(self,first,last):
        self.first = first
        self.last = last

class Actor2(Actor1):
    def __str__(self):
        return "%s %s %s" % (self.__class__, self.first, self.last)


print Actor1('John','Cusack')
# <__main__.Actor1 object at 0x2b77a01c7fd0>

print Actor2('John','Cusack')
<class '__main__.Actor2'> John Cusack