# _*_ coding: utf-8 _*_ # global: 在局部声明变量是全局变量 # x=1 # def func(): #     global x #     x=2 # # func() # print(x) #2 # nonlocal:在局部声明变量是外层函数的变量 # # x=333 # def f1(): #     x=222 #     def f2(): #         x=111 #         # x = 0 #         def f3(): #             nonlocal x #             x=0 #         f3() #         print('f2内部的x: ',x) #     f2() #     print('这是f1内部的x: ',x)#现在当前层找所以 x=222 # # f1() # print(x)