账号威胁发现双十一优惠活动

from datetime import datetime, timedelta

class AccountSecurity:
    def __init__(self):
        self.login_attempts = {}

    def record_login_attempt(self, user_id):
        current_time = datetime.now()
        if user_id not in self.login_attempts:
            self.login_attempts[user_id] = []
        
        self.login_attempts[user_id].append(current_time)
        self.cleanup_old_attempts(user_id)

    def cleanup_old_attempts(self, user_id):
        ten_minutes_ago = datetime.now() - timedelta(minutes=10)
        self.login_attempts[user_id] = [t for t in self.login_attempts[user_id] if t > ten_minutes_ago]

    def is_locked(self, user_id):
        return len(self.login_attempts.get(user_id, [])) >= 5

# 使用示例
security = AccountSecurity()
user_id = "user123"

for _ in range(6):
    security.record_login_attempt(user_id)
    if security.is_locked(user_id):
        print(f"Account {user_id} is locked due to too many login attempts.")
        break