增加认证装饰器

# _*_coding:utf-8_*_
# Author:len liu


user_list={'len':'aaa','len1':'bbb','len2':'ccc'}
def auth(func):
    def warrper(*args,**kwargs):
        #while True:
        username=input('pls enter your usename:').strip()
        password=input('pls enter your passwd:').strip()
        if username in user_list and password == user_list[username]:
            print("success login")
            res=func(*args,**kwargs)
            return res
        else:print('username or pasword error!')
    return warrper


@auth
def index():
    print("welcome to index page!")

@auth
def home(name):
    print("welcome  %s to home page!" %(name))

index()
home('len')