全局变量与局部变量

NAME = '流浪'
def huangwei():
    name = "黄伟"
    print(name)
    def liuyang():
        name = "刘洋"
        print(name)
        def lishi():
            name = "李思"
            print(name)
        lishi()
    liuyang()
    print(name)
huangwei()


结果：
黄伟
刘洋
李思
黄伟