datetime
inspect
inspect signatureParameter
(fn):
    local_cache={}
    (*agrs**kwargs):
        clear_list= []
        k(_stamp) local_cache.items():  star = datetime.datetime.now().timestamp()
        star - stamp >:
                clear_list.append(k)
        k clear_list: local_cache.pop(k)
        paramers_dict = {} sig = inspect.signature(fn)
        parameters = sig._parameters params_name = [key key parameters.keys()]
        ivalues (agrs):
            k = params_name[i]
            paramers_dict[k] = values
    kv kwargs.items():
            paramers_dict[k] = v
    kv parameters.items():
            k parameters.keys():
                parameters[k]= v.default
    new_paramers_dict = ((parameters)) new_paramers_dict  local_cache.keys(): local_cache[new_paramers_dict] = (fn(*agrs**kwargs)datetime.datetime.now().timestamp()) local_cache[new_paramers_dict] wrapper
time
(x=y=):time.sleep()
    x+y

(add())
()
(add())

本文题目：缓存装饰器的练习
标题路径：http://hbruida.cn/article/pdsohi.html