Code Signal: Intro=57/60

def fileNaming(names):
    for i in range(len(names)):        
        total = 0
        for j in range(i+1, len(names)):
            if names[i] == names[j]:
                total += 1
                names[j] = names[j]+'('+str(total)+')'
            print(names[i], names[j])
    return names

4/6 sample tests passed.