import json
from random import Random

def sinh(seed, chen_buoc=False):
    rng = Random(seed)
    if chen_buoc:
        rng.random()
    return [rng.randrange(0, 10) for _ in range(8)]

seed = 17
ban_dau = sinh(seed)
assert ban_dau == sinh(seed)
assert ban_dau != sinh(seed, chen_buoc=True)
luu = json.dumps({"seed": seed, "input": ban_dau, "generator": "v1"}, ensure_ascii=False)
doc_lai = json.loads(luu)
assert doc_lai["input"] == ban_dau
print("Ảnh chụp mẫu JSON", luu)