def a():
    pass

def comp():
    for f in (a,):
        if f is a:
            print("Identity")
        elif f == a:
            print("Equality")

comp()

class Test(object):
    def a(self):
        pass

    def comp(self):
        for f in (self.a,):
            if f is self.a:
                print("Identity")
            elif f == self.a:
                print("Equality")

t = Test()
t.comp()