def METHOD_NAME(size, ints_only=False, strings=None):
    def elem():
        if ints_only:
            return random.randint(0, 10000000000)
        else:
            t = random.randint(0, 2)
            if t == 0:
                return random.randint(0, 10000000000)
            elif t == 1:
                return float(random.randint(0, 10000000000))
            elif strings is not None:
                return strings[random.randint(0, len(strings)-1)]
            return random_string(random.randint(100, 1000))
    return {'key_'+str(random.randint(0, 1000000000)): elem() for _ in range(size)}