作用域问题

Wirror

people窗口关闭后显示top没有定义，但是top只是withdraw了
Exception in Tkinter callback
Traceback (most recent call last):
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python38\lib\tkinter\__init__.py", line 1883, in __call__
    return self.func(*args)
  File "G:\login.py", line 85, in show
    top.update()
NameError: name 'top' is not defined
#### b.py中的函数 ####

from b import *
class Application1(Application_ui):
    #这个类实现具体的事件处理回调函数。界面生成代码在Application_ui中。
    def __init__(self, master=None):
        Application_ui.__init__(self, master)

    def set_Cmd(self, event=None):
        top.withdraw()
        people_set()
    def show(self, event=None):
        top.update()
        top.deiconify()
if __name__ == "__main__":
    top = Tk()
    Application1(top).mainloop()

#### b.py中的函数 ####

from a import *
def people_set():
    people = Tk()
    people.protocol('WM_DELETE_WINDOW', Application1().show)
    Application(people).mainloop()

nahongyan1997

现在能看到的代码看不出什么问题，代码没放全吧。