def cool():
    d = {'x':0}
    def lal():
        d.update({'x':d['x']+1})
        return d['x']
    return lal

class Cl():
    n = 0
    def lol():
        Cl.n+=1
        return Cl.n
    lol = staticmethod(lol)
                
if __name__=='__main__':
    q = cool()
    w = Cl()
    print(w.lol())
    print(q())