python rss框架内部做添加数据操作遇到的问题，pythonrss,import tkint

python rss框架内部做添加数据操作遇到的问题，pythonrss,import tkint

import tkinterimport urllibimport xml.parsers.expatclass MyXML:                                        def __init__(self, edit):        self.parser = xml.parsers.expat.ParserCreate()                    self.parser.StartElementHandler = self.start                    self.parser.EndElementHandler = self.end                    self.parser.CharacterDataHandler = self.data                    self.title = False                                self.description = False        self.date = False        self.edit = edit                            def start(self, name, attrs):                               if name == 'title':                                    self.title = True                            elif name == 'description':            self.description = True        elif name == 'pubDate':                                    self.date = True                            else:            pass    def end(self, name):                                    if name == 'title':            self.title = False                            elif name == 'description':            self.description = False        elif name == 'pubDate':            self.date = False                            else:            pass    def data(self,data):                                    if self.title:                                        self.edit.insert(tkinter.END,                    '******************************\n')            self.edit.insert(tkinter.END, 'Title: ')            self.edit.insert(tkinter.END, data + '\n')        elif self.description:            self.edit.insert(tkinter.END, 'Date: ')            self.edit.insert(tkinter.END, data + '\n')        elif self.date:            self.edit.insert(tkinter.END, 'Date: ')            self.edit.insert(tkinter.END, data + '\n')        else:            pass    def feed(self, data):        self.parser.Parse(data, 0)class Window:    def __init__(self, root):        self.root = root                                    self.entryUrl = tkinter.Entry(root,width = 30)        self.entryUrl.place(x = 65, y = 15)        self.get = tkinter.Button(root,                text = '读取RSS', command = self.Get, font = ('system','10'))        self.get.place(x = 350, y = 15)        self.frame = tkinter.Frame(root, bd=2)        self.scrollbar = tkinter.Scrollbar(self.frame)        self.edit = tkinter.Text(self.frame,yscrollcommand = self.scrollbar.set,                width = 96, height = 32)        self.scrollbar.config(command=self.edit.yview)        self.edit.pack(side = tkinter.LEFT)        self.scrollbar.pack(side=tkinter.RIGHT, fill=tkinter.Y)        self.frame.place(y = 50)    def Get(self):        url = self.entryUrl.get()        page = urllib.urlopen(url)                                data = page.read()                                    parser = MyXML(self.edit)                                parser.feed(data)                                    page.close()root = tkinter.Tk()root.title('RSS 阅读器')root.minsize(700,500)root.maxsize(700,500)root.mainloop()

粘贴自互联网，这个做出来只有一个GUI视图，如何在里面添加东西

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