摘要：
from functools import wraps def wrap1(f): @wraps(f) def inner1(): print('inner1() before') f() print('inner1() after') return inner1 def wrap2(f): @wr 阅读全文
摘要：
#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) # return inner # # inn = outer() # inn() # # from urllib.request import urlope 阅读全文
摘要：
# a = 1 # def outer(): # a = 2 # def inner(): # a = 3 # # def inner2(): # nonlocal a #nonlocal只能用于局部变量，找最近一层的局部变量 # a += 1 # inner2() # print('inner() 阅读全文