import hashlib
import json
from datetime import datetime


def compute_sha256(data):
    sha256_hash = hashlib.sha256()
    sha256_hash.update(data.encode("utf-8"))
    return sha256_hash.hexdigest()


def main():
    # create datetime object with date 25/10/2121
    date_obj = datetime.strptime("25/10/2121", "%d/%m/%Y")

    json_data = json.dumps({"date": date_obj.strftime("%d/%m/%Y")})
    print(compute_sha256(json_data))
    print(json_data)


if __name__ == '__main__':
    main()