class User:

def __init__(self, username, password):

self.username = username

self.password = password

class AuthService:

def __init__(self):

学生管理系统

self.users = []

def register_user(self, user):

self.users.append(user)

def authenticate(self, username, password):

for user in self.users:

if user.username == username and user.password == password:

return True

return False

# 示例使用

auth_service = AuthService()

user1 = User("alice", "password123")

auth_service.register_user(user1)

print(auth_service.authenticate("alice", "password123")) # 输出True

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