python一个经典的GUI写法

　　#!/usr/bin/env python3 # -*- coding: utf-8 -*- ＂＂＂   @author: wangxingchun ＂＂＂  from tkinter import * from tkinter import messagebox  # 一般写法 # root = Tk() # root.title(＂my-gui＂) # root.geometry(＂500x300+200+200＂)  # btn1 = Button(root) # btn1[＂text＂] = ＂点击＂ # btn1.pack()  # def ee(w): #     messagebox.showinfo(＂ggg＂, ＂wangxingchun＂) #     print(＂wwwwww＂)  # btn1.bind(＂＂, ee)  # root.mainloop()  class Application(Frame):     #一个经典的gui程序的写法     def __init__(self, master=None):         self.master = master         super().__init__(master) #          self.master = master         self.pack()                  self.createWitget()          def createWitget(self):         # 创建组件                  # 按钮一         self.btn1 = Button(self)         self.btn1[＂text＂] = ＂确定＂         self.btn1.pack()         self.btn1[＂command＂] = self.baocun                  # 按钮二不同的写法         self.btnquite = Button(self, text=＂退出＂, command=root.destroy)         self.btnquite.pack()              def baocun(self):         messagebox.showinfo(＂保存＂, ＂学生信息已保存！＂)               if __name__ == ＂__main__＂:     root = Tk()     root.title(＂智优贝管理系统python.v1.0＂)     root.geometry(＂500x300+200+200＂)     app = Application(master=root)     root.mainloop()