from collections import defaultdict, Counter
from datetime import datetime, timedelta
import random

data = {
    "users": [
        {
            "id": i,
            "name": f"User_{i}",
            "age": random.randint(18, 60),
            "join_date": (
                datetime.now() - timedelta(days=random.randint(0, 365))
            ).strftime("%Y-%m-%d"),
            "score": random.randint(50, 100),
        }
        for i in range(1, 11)
    ]
}
users = data["users"]
age_distribution = Counter(user["age"] for user in users)
# print(age_distribution)
# for age, count in age_distribution.items():
#     print(f"{age}岁的人数{count}")


now = datetime.now()
print(f"当前时间{now}")
print(type(now))