提取包含QQ的文本为QQ邮箱

# -*- coding: utf-8 -*-
"""
Created on Sun Dec 15 14:08:03 2019
@author: Dell
提取包含QQ号的文本为QQ邮箱，并保存到文件
"""
import re
import tkinter
qqstr = "请在这里粘贴需要提取的包含QQ号的文本"
baklist = None
def extract():
    """提取所有QQ号码为邮箱"""
    #全部提取文本域的内容
    content = text.get("0.0", "end")
    qqlist = re.findall("[1-9]\\d{4,10}", content)
    global baklist
    baklist = []
    for qq in qqlist:
        qq += "@qq.com"
        baklist.append(qq)
        listbox.insert(tkinter.END, qq)
def save():
    """保存提取邮箱到文件"""
    path = r"E:\TextMining\面向对象\正则表达\QQ邮箱.txt"
    file = open(path, "wb")
    if baklist != None:
        for email in baklist:
            line = (email + "\r\n").encode("utf=8")
            file.write(line)
    file.close()
    print("已保存到: %s，请查收" % path)
win = tkinter.Tk()
win.title("QQ邮箱提取工具")
#提取按钮
btn = tkinter.Button(win, text="提取为邮箱", command=extract)
btn.pack()
#保存按钮
btn1 = tkinter.Button(win, text="保存到文件", command=save)
btn1.pack()
#粘贴被提取的文本内容
text = tkinter.Text(win)
text.insert(tkinter.INSERT, qqstr)
text.pack()
#保存提后的列表
listbox = tkinter.Listbox(win, width=80)
listbox.pack()
win.mainloop()