1.

import time
def timmer(func):
    def wrapper(*arg,**kwargs):
        start_time = time.time()
        res=func(*arg,**kwargs)
        end_time = time.time()
        print("运行时间：",end_time-start_time)
        return res
    return wrapper
@timmer
def my_max(x,y):
    time.sleep(1)
    max = x if x>y else y
    return max

my_max(3,5)
print(my_max(3,5))

2.

def auth2(auth_type):
    def auth(func):
        def warpper(*args,**kwargs):
            if auth_type == ‘ldap‘:
                flag = True
                while flag:
                    with open("lock", "r",encoding="utf8") as f_read, open("account1", "r",encoding="utf8") as f_write:
                        username = input("input your username:").strip()
                        r=eval(f_write.read())
                        if username in r :
                            m = f_read.read()
                            f = eval(m)
                            if f[username] == 3:
                                print("username is locked")
                            else:
                                while flag:
                                    password = input("input your password")
                                    if str(r[username]) == password:
                                        print("successful")
                                        func()
                                        flag = False
                                        break
                                    else:
                                        with open("lock", "w",encoding="utf8") as f_read:
                                            number = int(f[username])
                                            number += 1
                                            f[username] = number
                                            f_read.write(str(f))
                                            if number == 3:
                                                print("lock")
                                                flag = False
                        else:
                            print("input right username")
            else:
                print("other")
        return  warpper
    return auth


@auth2(auth_type=‘ldap‘)
def tell():
    print("welcome to oldboy")

tell()

装饰作业