标签： day10（闭包

#闭包：嵌套函数，内部函数调用外部函数的变量# def outer():# a = 1# def inner():# print(a)# inner()# outer()def outer():a = 1def inner():print(a)return innerinn = outer()inn()# import urllib #模块from urllib.request import urlopen# ret = urlo